Determination method of food total acid

Determination method of food total acid, Total:500 items.

In the international standard classification, Determination method of food total acid involves: General methods of tests and analysis for food products, Fruits. Vegetables, Microbiology, Cereals, pulses and derived products, Products of the chemical industry, Prepackaged and prepared foods, Sugar. Sugar products. Starch, Inorganic chemicals, Farming and forestry, Meat, meat products and other animal produce, Spices and condiments. Food additives, Food products in general, Milk and milk products, Beverages, Vocabularies, Paint ingredients, Organic chemicals, Petroleum products in general, Materials and articles in contact with foodstuffs, Animal feeding stuffs, Biology. Botany. Zoology, Optics and optical measurements, Terminology (principles and coordination), Analytical chemistry, Fertilizers, Fuels, Headgear. Clothing accessories. Fastening of clothing, Products of the textile industry, Pesticides and other agrochemicals.

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Determination method of food total acid

GB/T 12456-2008 Determination of total acid in foods
GB 12456-2021 National Food Safety Standard Determination of Total Acids in Food
GB/T 14940-1994 Determination method of sodium propionate and calcium propionate in food
GB/T 14941-1994 Determination method of dehydroacetic acid in food
GB/T 30797-2014 The test method of food detergents.Determination of total arsenic
GB/T 15672-1995 Method for determination of total sugar in edible fungi
GB 13112-1991 Determination method of sodium cyclamate in food
GB/T 22223-2008 Determination of total fat,saturated fat, and unsaturated fat in foods.Hydrolytic extraction-gas chromatography
GB 14877-1994 Method for determination of carbamate pesticide residues in foods
GB 12009.1-1989 Determination method of total chlorine content in isocyanate
GB/T 5413.17-1997 Milk powder and formula foods for infant and young children--Determination of pantothenic acid
GB/T 14769-1993 Method for determination of moisture in foods
GB/T 14770-1993 Method for determination of ash in foods
GB/T 23952-2009 Inorganic chemicals for industrial use.General method for the determination of total nitrogen content.Distillation-acid-base titrations method
GB/T 23382-2009 Determination of sodium propionate and calcium propionate in foods.High performance liquid chromatography method
GB/T 5413.4-1997 Milk powder and formula foods for infant and young children--Determination of linoleic acid content
GB/T 5413.26-1997 Milk powder and formula foods for infant and young children--Determination of taurine content
GB/T 14771-1993 Method for determination of protein content in foods
GB/T 15206-1994 Method for determination of cholesterol in foods
GB/T 14772-1993 Method for determination of crude fat content in foods
GB/T 5413.16-1997 Milk powder and formula foods for infant and young children--Determination of folic acid (folate activity)
GB/T 22110-2008 Determination of trans fatty acids in foods.Gas chromatographic method
GB/T 23377-2009 Determination of dehydroacetic acid in food.High performance liquid chromatography
GB/T 23383-2009 Determination of sodium hydrogen diacetate in foods.High performance liquid chromatography method
GB/T 16286-1996 Method for determination of sucrose in food--Enzyme-colorimetric method
GB/T 16287-1996 Method for determination of starch in food--Enzyme-colorimetric method
GB/T 16478.10-1996 Methods for chemical analysis of thorium nitrate.Determination of total rare earth content
GB/T 24396-2009 Test method of adsorption resin for food industrial use
GB/T 5413.5-1997 Milk powder and formula foods for infant and young children--Determination of lactose, sucrose and total sugars contents
GB/T 10209.1-2008 Determination of monoammonium phosphate and diammonium phosphate.Part 1:Total nitrogen content
GB/T 5413.15-1997 Milk powder and formula foods for infant and young children--Determination of vitamin PP content
GB/T 23495-2009 Determination of benzoic acid,sorbic acid and saccharin sodium in foods.High performance liquid chromatography method
GB/T 18627-2002 Method for determination of schradan residues in food
GB/T 18628-2002 Method for determination of perthane residues in food
GB/T 18629-2002 Method for determination of prometryne residues in food
GB 14878-1994 Method for determination of chlorothalonil residue in foods
GB/T 23499-2009 Determination of hydrogen peroxide residues in foods
GB/T 30795-2014 The test method of food detergents.Determination of methanol
GB/T 30796-2014 The test method of food detergents.Determination of formaldehyde

Association of Official Analytical Chemists (AOAC), Determination method of food total acid

AOAC 962.16 AOAC Official Method 962.16 Sulfurous Acid (Total) in Food Modified Monier-Williams Method
AOAC 990.28-1994 AOAC Official Method 990.28 Sulfites in Foods Optimized Monier–Williams Method First Action 1990 Final Action 1994

Professional Standard - Agriculture, Determination method of food total acid

GB/T 5009.11-1996 Determination method of total arsenic in food
GB/T 5009.17-1996 Determination method of total mercury in food
GB/T 5009.29-1996 Determination method of sorbic acid and benzoic acid in food
GB/T 5009.33-1996 Determination method of nitrite and nitrate in food
GB/T 13112-1991 Determination method of sodium cyclamate in food
GB/T 14965-1994 Method for Determination of Amino Acids in Food
GB/T 5009.15-1996 Determination method of cadmium in food
GB/T 5009.14-1996 Determination method of zinc in food
GB/T 5009.2-1985 Method for determination of specific gravity of food
GB/T 14962-1994 Determination method of chromium in food
GB/T 5009.13-1996 Determination method of copper in food
GB/T 5009.18-1996 Determination method of fluorine in food
GB/T 5009.12-1996 Determination method of lead in food
GB/T 5009.16-1996 Determination method of tin in food
GB/T 5009.9-1985 Determination method of starch in food
GB/T 5009.4-1985 Determination method of ash content in food
GB/T 5009.3-1985 Method for Determination of Moisture in Food
GB/T 5009.5-1985 Determination method of protein in food
GB/T 5009.7-1985 Determination method of reducing sugar in food
GB/T 5009.35-1996 Determination method of coloring agent in food
GB/T 5009.32-1996 Determination method of propyl gallate (PG) in oil
GB 8450-1987 Determination method of arsenic in food additives
GB/T 5009.27-1996 Determination method of benzo(α)pyrene in food
GB/T 8449-1987 Determination method of lead in food additives
GB/T 5009.25-1996 Determination method of Aspergillus versicolor in food
GB/T 13108-1991 Determination method of rare earth in vegetable food
GB/T 5009.26-1996 Determination method of N-nitrosamines in food
SZDB/Z 322-2018 Determination of maleic acid in food by high performance liquid chromatography
GB/T 9675-1988 Determination method of polychlorinated biphenyls in seafood
GB/T 5009.22-1996 Determination method of aflatoxin B1 in food
GB/T 14973-1994 Determination method of fenoxin residues in food
NY/T 1723-2009 Determination of dimethyl fumarate in food.High-performance liquid chromatography method
GB/T 16335-1996 Determination method of imothion residues in food

CZ-CSN, Determination method of food total acid

CSN 56 0246 Cast.13-1983 Methods of testing for canned semi-finished products and products of fruits and vegetables. Determination of total acidity
CSN 56 0216 Cast.5-1985 Testing methods for ines. Determination f total acidity
CSN 56 0216 Cast.5-1979 Testing method? for winos. Determina- ion of total acidity
CSN 57 0158-1986 Testing methods for meat products and canned sterilized food. Determination of nitrite and nitrate content
CSN 56 0246 Cast.15-1983 Methods of testing for canned semi-finished products of fruits and vegetables. Determination of volatile acids
CSN 56 0246 Cast.23-1985 Testing methods for canned semi-finished product and products of fruits and vegetables. Determination of benzoic acid
CSN 56 0246 Cast.21-1984 Testing methods for canned food semi-products and produckts of fruit and vegetable. Determination of sorbic acid content.
CSN 56 0160 Cast.10-1988 Testing method for sugar products. Determination of ferroingredients
CSN 56 0210 Cast.6-1985 Testing methods of alcoholic beverages. Determination of acids in wine distillate and brandy
CSN 46 7092-19-1998 Testing methods for feeding stuffs - Part 19: Determination of free, binded and total acidity in water extract
CSN 46 3205-1987 Fresh fruits. Table grapes. Metod of analytical determination of total sugar content
CSN 57 0106 Cast.3-1984 Methods for testing oí frozen milk products. Determination of total solids content.
CSN 46 7092-26-1998 Testing methods for feeding stuffs - Part 26: Determination of total carbonate content
CSN 57 0105 Cast.8-1978 Powdered and condensed milk products. Testing methods. Determination of titratable acidity

VN-TCVN, Determination method of food total acid

TCVN 4589-1988 Canned foods.Determination of total acidity and volatile acidity
TCVN 7605-2007 Foodstuffs.Methods of analysis for the detection of genetically modified organisms and derived products.Qualitative nucleic acid based methods
TCVN 6468-1998 Food additives.Methods for determining inorganic components
TCVN 7601-2007 Foodstuffs.Determination of arsenic content by silver diethyldithiocacbamate method

国家质量监督检验检疫总局, Determination method of food total acid

SN/T 4587-2016 Determination method for total amount of maleic acid and maleic anhydride in foods for export
SN/T 3147-2017 Determination method of phthalates in exported foods
SN/T 0860-2016 Determination method of selenium in exported foods

RU-GOST R, Determination method of food total acid

GOST 10444.11-1989 Food products. Methods for determination of the lactic acid bacteria
GOST R 52466-2005 Grain and grain products. Method for determination of acid number of fat
GOST 8756.16-1970 Canned food products, methods for determination of actual acidity
GOST 15113.5-1977 Food concentrates. Methods for determination of acidity
GOST 32152-2013 Foodstuffs of processed poultry eggs. Methods for determination of succinic, lactic and 3D-hydroxibutyric acids
GOST R 55229-2012 Food additives. Colorimetric method for total phosphorus mass content determination in raw materials for citric acid production
GOST R 54375-2011 Foodstuffs of processed poultry eggs. Methods for determination of succinic, lactic and 3D-hydroxibutyiric acids
GOST 32150-2013 Food eggs and foodstuffs of processed poultry eggs. Method for determination of fatty acid composition
GOST 10444.4-1985 Canned foods. Method for determination of nusophilic strictly anaerobs
GOST 33294-2015 Food additives. Methods for determination of the main substance in the food additive potassium nitrite E249
GOST R 55228-2012 Food additives. Method of the mass determining of citric acid and concomitant acids in production of citric acid
GOST 33293-2015 Food additives. Methods for identification and determination of total coloring matters percentage in food colour indigotine E132
GOST 33767-2016 Food additives. Methods for identification and determination of total coloring matter mass fraction in food colour anhocyanins E163
GOST 33292-2015 Food additives. Methods for identification and determination of total coloring matters percentage in food colour quinoline yellow E104
GOST 27082-1989 Canned and preserved fish and other seaproducts. Method for determination of total acidity
GOST 15113.7-1977 Food concentrates. Methods for determination of salt
GOST 32743-2014 Food additives. Method of potentiometric determining of citric acid and citric ions in the complex food additives
GOST 34146-2017 Food additives. Methods for identification and determination of total coloring matter percentage of food colour curcumin E100
GOST EN 15652-2015 Foodstuffs. Determination of niacin by high performance liquid chromatography
GOST 31983-2012 Food products, feeds, food raw materials. Method for determination of polychlorinated biphenyls
GOST R 53991-2010 Food products, feeds, food raw materials. Method for determination of polychlorinated biphenyls
GOST 32115-2013 The alcohol production and raw material for it producing. Method for determination of free and total sulphurous acid
GOST 5512-1950 Food flavoring products and drinks. Methods for determination of arsenic
GOST EN 12014-5-2014 Foodstuffs. Determination of nitrate and/or nitrite content. Part 5. Enzymatic determination of nitrate content of vegetable containing food for babies and infants
GOST 10444.9-1988 Food products. Method for determination of Clostridium perfringens
GOST 15113.6-1977 Food concentrates. Methods for determination of sucrose
GOST 15113.8-1977 Food concentrates. Methods for determination of ash
GOST R 55578-2013 Specialized food products. Method of osmolality determination
GOST R 51650-2000 Food stuffs. Methods for determination of benz(a)pyren fraction of total mass
GOST 26811-1986 Confectionary. Method for determination of mass fraction of total sulphurous acid
GOST R 50396.6-1992 Poultry meat, edible offal, ready-to-cook products. Methods for detection and quantity determination of sulfit-reducing anaerobes
GOST 8558.2-1978 Meat products. Method for determination of nitrate
GOST 30726-2001 Food-stuffs. Methods for detection and determination of Escherichia coli
GOST EN 12014-2-2014 Foodstuffs. Determination of nitrate and/or nitrite content. Part 2. HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
GOST 31747-2012 Food products. Methods for detection and quantity determination of coliformes
GOST 9794-2015 Meat products. Methods for the determination of total phosphorus content
GOST 32365-2013 Food flavorings. Methods for determination of ethanol content
GOST R 54980-2012 Food additives. Methods for identification and determination of mass fraction of calcium-content ingredient in the lactate-containing food additives
GOST R 54979-2012 Food additives. Methods for identification and determination of mass fraction of iodine-content ingredient in the lactate-content food additives
GOST R 54979-2012(2019) Food additives. Methods for identification and determination of mass fraction of iodine-content ingredient in the lactate-content food additives
GOST R 54980-2012(2019) Food additives. Methods for identification and determination of mass fraction of calcium-content ingredient in the lactate-containing food additives
GOST R 50396.5-1992 Poultry meat, edible offal, ready-to-cook products. Methods for detection and quantity determination of listerell
GOST 32161-2013 Foodstuffs. Method for cesium Cs-137 content determination
GOST R 54017-2010 Foodstuffs. Method for stroncium Sr-90 contaent determination
GOST 10444.8-1988 Food products. Method for determination of Bacillus cereus
GOST 10444.12-1988 Food products. Method for determination of yeast and mould
GOST 32163-2013 Foodstuffs. Method for strontium Sr-90 content determination
GOST R 54016-2010 Foodstuffs. Method for cesium Ss-137 content determination
GOST R 54740-2011 Wine production. The method of determining of the sulfates
GOST 5670-1996 Bread, rolls and buns. Methods for determination of acidity
GOST 8558.1-1978 Meat products. Methods for determination of nitrit
GOST 5670-1951 Backery goods, methods for determination of acidity
GOST R 54740-2011(2019) Wine production. The method of determining of the sulfates
GOST 29185-1991 Food products. Methods for detection and quantity determination of sulphite-reducing clostridium
GOST R 52825-2007 Food products. Method for determination of artificial colours in spices presence
GOST R 53969-2010 Food salts of citric acid (citrates). Method for determination of moisture mass fraction
GOST R 51575-2000 Food common salt with content of iodine. Methods for determination of iodine and sodium thiosulphate
GOST 33303-2015 Foodstuffs. Sampling methods for determination of mycotoxins
GOST 28566-1990 Food products. Method for detection and determination of count Enterococci
GOST 32364-2013 Food flavorings. The method for determination mass part of moisture
GOST R 57513-2017 Foods for special dietary uses. Methods of the determination of JA-glucans
GOST R 53182-2008 Foodstuffs. Determination of trace elements. Determination of total arsenic and selenium by hydride generation atomic absorption spectrometry (HGAAS) after pressure digestion
GOST 25555.1-2014 Fruit and vegetable products. Method for determination of volatile acids
GOST 33835-2016 Juice products. Method for determination of citric acid
GOST 8558.1-2015 Meat products. Methods for determination of nitrite
GOST 28467-1990 Products of fruits and vegetables processing. Method for determination of benzoic acid content
GOST R 54669-2011 Milk and milk products. Methods for determination of acidity
GOST 33977-2016 Fruit and vegetable products. Methods for determination of total solids content
GOST R 56201-2014 Functional food products. Methods for the determination of bifidogenic properties
GOST R 54635-2011 Functional food products. Method of vitamin A determination
GOST R 54058-2010 Functional food. Method for determination of carotinoids
GOST R 54634-2011 Functional food products. Method of vitamin E determination
GOST R 54637-2011 Functional food products. Method of vitamin D3 determination
GOST R 54635-2011(2019) Functional food products. Method of vitamin A determination
GOST R 54634-2011(2019) Functional food products. Method of vitamin E determination
GOST R 54637-2011(2019) Functional food products. Method of vitamin D3 determination
GOST 32797-2014 Food products, food raw materials. Method of determination of the chynolony content by high performance liquid chromatography with mass spectrometry detector
GOST R 54755-2011 Food products. Methods for detection and quantity determination of Pseudomonas aeruginosa bacteria
GOST 31982-2012 Food products, feeds, food raw materials. Method of determination of b-agonists by Gas chromatography. Mass spectrometry
GOST R ISO 21571-2014 Foodstuffs. Methods of analysis for the detection of genetically modified organisms and derived products. Nucleic acid extraction
GOST 33951-2016 Milk and milk products. Methods for determination of the lactic acid bacteria
GOST 29300-1992 Meat and meat products. Determination of nitrate content
GOST R 51655-2000 Alcohol products and raw material for it's production. Method for determination of free and total sulphurous acid mass concentration
GOST 31672-2012 Foodstuffs. Method of electron paramagnetic resonance for detection of radiation-treated food containing cellulose
GOST 31707-2012 Foodstuffs. Determination of trace elements. Determination of total arsenic and selenium by hydride generation atomic absorption spectrometry (HGAAS) after pressure digestion
GOST R 54015-2010 Food. Sampling methods for stroncium Sr-90 and cesium Cs-137 determination

IN-BIS, Determination method of food total acid

IS 8168-1976 Determination method of effective lysine in food
IS 6120-1971 Test method for total dye content in food colorants
IS 8184-1976 Determination method of ergot in food
IS 4333 Pt.5-1970 Methods of Grain Analysis Part V Determination of Uric Acid
IS 5864-1983 Method for determination of DDT residues in food
IS 11021-1984 Method for determination of dimethoate residues in food
IS 12335-1988 Method for determination of propoxur residues in food
IS 11301-1985 Determination method of Vosalon residues in food
IS 12014 Pt.3-1986 Determination of organic preservatives in food Part 3 Sorbic acid and its salts
IS 11374-1985 Method for determination of monocrotophos residues in food
IS 12336-1988 Method for determination of diazinon residues in food
IS 12365-1988 Method for determination of chlorpyrifos residues in food
IS 10168-1982 Method for determination of fenitrothion residues in food
IS 7219-1973 Methods for determination of protein in food and feed
IS 10226 Pt.1-1982 Determination of crude fiber content in foods Part 1 General method (ISO name: General method for determination of crude fiber content in agricultural foods)
IS 13832-1993 Pesticide. Method for determination of residues in agricultural and food commodities, soil and water. Dithiocarbamates
IS 1448 Pt.113-1983 Test methods for petroleum and its products [P: 113] Determination of total acidity in aviation turbine fuel
IS 6169-1983 Determination method of HCH residues in food

Lithuanian Standards Office , Determination method of food total acid

LST 1553-1998 Bakery goods and confectionery. Methods for determination of acidity and alkalinity
LST EN 14131-2004 Foodstuffs - Determination of folate by microbiological assay
LST EN 15652-2009 Foodstuffs - Determination of niacin by HPLC
LST EN 14176-2004 Foodstuffs - Determination of domoic acid in mussels by HPLC
LST EN 1988-2-2000 Foodstuffs - Determination of sulfite - Part 2: Enzymatic method
LST EN 12014-5-2001 Foodstuffs - Determination of nitrate and/or nitrite content - Part 5: Enzymatic determination of nitrate content of vegetable-containing food for babies and infants
LST EN 12014-2-2001 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
LST EN ISO 21570:2005 Foodstuffs - Methods of analysis for the detection of genetically modified organisms and derived products - Quantitative nucleic acid based methods (ISO 21570:2005)
LST EN ISO 21569:2005 Foodstuffs - Methods of analysis for the detection of genetically modified organisms and derived products - Qualitative nucleic acid based methods (ISO 21569:2005)
LST 1492-2013 Bakery goods - Methods for determination of moisture content
LST EN ISO 21570:2005/AC:2007 Foodstuffs - Methods of analysis for the detection of genetically modified organisms and derived products - Quantitative nucleic acid based methods (ISO 21570:2005/Cor.1:2006)
LST EN 1988-1-2000 Foodstuffs - Determination of sulfite - Part 1: Optimized Monier-Williams method
LST ISO 13580:2005 Yogurt. Determination of total solids content (Reference method) (idt ISO 13580:2005)

CU-NC, Determination method of food total acid

NC 23-04-1968 Sulphuric acid. Determination oí total acidity. Volumetric method.

German Institute for Standardization, Determination method of food total acid

DIN EN 14131:2003-09 Foodstuffs - Determination of folate by microbiological assay; German version EN 14131:2003
DIN EN 14131:2003 Foodstuffs - Determination of folate by microbiological assay; German version EN 14131:2003
DIN EN 15652:2009-09 Foodstuffs - Determination of niacin by HPLC; German version EN 15652:2009
DIN EN 1988-1:1998-05 Foodstuffs - Determination of sulfite - Part 1: Optimized Monier-Williams method; German version EN 1988-1:1998
DIN EN 14176:2004 Foodstuffs - Determination of domoic acid in mussels by HPLC; German version EN 14176:2003
DIN EN 1988-2:1998-05 Foodstuffs - Determination of sulfite - Part 2: Enzymatic method; German version EN 1988-2:1998
DIN EN 13806-3:2023 Foodstuffs - Determination of trace elements - Part 3: Determination of total mercury in foodstuffs with atomic absorption directly from the foodstuff (elemental mercury analysis); German and English version prEN 13806-3:2023
DIN EN ISO 21570:2013-08 Foodstuffs - Methods of analysis for the detection of genetically modified organisms and derived products - Quantitative nucleic acid based methods (ISO 21570:2005 + Cor 1:2006 + Amd 1:2013); German version EN ISO 21570:2005 + AC:2007 + A1:2013
DIN EN ISO 21569:2013-08 Foodstuffs - Methods of analysis for the detection of genetically modified organisms and derived products - Qualitative nucleic acid based methods (ISO 21569:2005 + Amd 1:2013); German version EN ISO 21569:2005 + A1:2013
DIN EN 13784:2002-04 Foodstuffs - DNA Comet Assay for the detection of irradiated foodstuffs - Screening method; German version EN 13784:2001
DIN ISO 3771:1985 Petroleum products; total base number; perchloric acid potentiometric titration method
DIN EN 13806-3:2023-07 Foodstuffs - Determination of trace elements - Part 3: Determination of total mercury in foodstuffs with atomic absorption directly from the foodstuff (elemental mercury analysis); German and English version prEN 13806-3:2023 / Note: Date of issue 2023...
DIN EN 12014-2:2018-02 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products; German version EN 12014-2:2017
DIN EN 12014-5:1997-08 Foodstuffs - Determination of nitrate and/or nitrite content - Part 5: Enzymatic determination of nitrate content of vegetable-containing food for babies and infants; German version EN 12014-5:1997
DIN EN 12014-2:2018 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
DIN EN 15842:2010 Foodstuffs - Detection of food allergens - General considerations and validation of methods; German version EN 15842:2010
DIN EN 1988-2:1998 Foodstuffs - Determination of sulfite - Part 2: Enzymatic method; German version EN 1988-2:1998
DIN EN 12857:1999 Foodstuffs - Determination of cyclamate - Method by high performance liquid chromatography; German version EN 12857:1999
DIN EN 12014-4:2005-08 Foodstuffs - Determination of nitrate and/or nitrite content - Part 4: Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products; German version EN 12014-4:2005
DIN EN ISO 20813:2023-04 Molecular biomarker analysis - Methods of analysis for the detection and identification of animal species in foods and food products (nucleic acid-based methods) - General requirements and definitions (ISO 20813:2019); German version EN ISO 20813:2022
DIN EN 12014-2:1997 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products; German version EN 12014-2:1997
DIN EN 14546:2005 Foodstuffs - Determination of trace elements - Determination of total arsenic by hydride generation atomic absorption spectrometry (HGAAS) after dry ashing; German version EN 14546:2005
DIN EN ISO 20813:2023 Molecular biomarker analysis - Methods of analysis for the detection and identification of animal species in foods and food products (nucleic acid-based methods) - General requirements and definitions (ISO 20813:2019)
DIN CEN/TS 15633-2:2013-06*DIN SPEC 10700-1:2013-06 Foodstuffs - Detection of food allergens by immunological methods - Part 2: Quantitative determination of hazelnut with an enzyme immunoassay using monoclonal antibodies and bicinchoninic acid-protein detection; German version CEN/TS 15633-2:2013

BE-NBN, Determination method of food total acid

NBN T 03-082-1979 Ammonium hydrogen carbonate for industrial use (including food-stuffs) - Determination of total alkalinity - Volumetric method
NBN T 03-084-1979 Ammonium hydrogen carbonate for industrial use (including food-stuffs) - Determination of total carbon dioxide content - Titri-metric method
NBN T 52-124-1982 Petroleum products - Potentiometric determination of the total acid number (TAN)
NBN T 52-112-1976 Determination of total base number of petroleum pro-ducts by potentiometric perchloric acid titration
NBN T 03-083-1979 Ammonium hydrogen carbonate for industrial use (including food-stuffs) - Determination of ash - Gravimetrie method
NBN T 03-274-1985 Phosphoric acid for industrial use (including foodstuffs) - Determination of hydrogen sulfide content - Titrimetric method
NBN T 03-269-1980 Phosphoric acid for industrial use (including foodstuffs) - Determi-nation of chloride content - Potentiometric method
NBN T 03-265-1980 Phosphoric acid and sodium phosphates for industrial use (including food-stuffs) - Determination of fluorine content - Alizarin complexone and lanthanum nitrate photometric method
NBN T 03-267-1980 Phosphoric acid for industrial use (including foodstuffs) - Determi-nation of total phosphorus(V) oxide content - Quinoline phospho-molybdate gravimetrie method

International Organization for Standardization (ISO), Determination method of food total acid

ISO 2516:1973 Ammonium hydrogen carbonate for industrial use (including foodstuffs); Determination of total alkalinity; Volumetric method
ISO 3422:1975 Ammonium hydrogen carbonate for industrial use (including foodstuffs); Determination of total carbon dioxide content; Titrimetric method
ISO 3706:1976 Phosphoric acid for industrial use (including foodstuffs); Determination of total phosphorus(V) oxide content; Quinoline phosphomolybdate gravimetric method
ISO 731-2:1977 Formic acid for industrial use; Methods of test; Part II : Determination of total acidity; Titrimetric method
ISO 3771:1994 Petroleum products - Determination of base number - Perchloric acid potentiometric titration method
ISO 3771:1977 Petroleum products; Total base number; Perchloric acid potentiometric titration method
ISO 21569:2005 Foodstuffs - Methods of analysis for the detection of genetically modified organisms and derived products - Qualitative nucleic acid based methods
ISO/PRF 20631:2023 Infant formula and adult nutritionals — Determination of total folate content by trienzyme extraction and ultra high performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS)
ISO 20631:2023 Infant formula and adult nutritionals — Determination of total folate content by trienzyme extraction and ultra high performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS)
ISO/FDIS 20631:2024 Infant formula and adult nutritionals — Determination of total folate content by trienzyme extraction and ultra high performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS)
ISO 20813:2019 Molecular biomarker analysis — Methods of analysis for the detection and identification of animal species in foods and food products (nucleic acid-based methods) — General requirements and definitions
ISO 13495:2013 Foodstuffs.Principles of selection and criteria of validation for varietal identification methods using specific nucleic acid
ISO 7099:1983 Phosphoric acid for industrial use (including foodstuffs); Determination of hydrogen sulfide content; Titrimetric method
ISO 7537:1989 Petroleum products; determination of total acid number; semi-micro colour-indicator titration method
ISO 7537:1997 Petroleum products - Determination of acid number - Semi-micro colour-indicator titration method
ISO 7100:1983 Phosphoric acid for industrial use (including foodstuffs); Determination of vanadium content; Phosphotungsten vanadate spectrometric method
ISO 20647:2015 | IDF 234:2015 Infant formula and adult nutritionals — Determination of total iodine — Inductively coupled plasma mass spectrometry (ICP-MS)
ISO 3420:1975 Ammonium hydrogen carbonate for industrial use (including foodstuffs); Determination of ash; Gravimetric method
ISO 21569:2005/Amd 1:2013 Foodstuffs - Methods of analysis for the detection of genetically modified organisms and derived products - Qualitative nucleic acid based methods; Amendment 1
ISO 21570:2005/Amd 1:2013 Foodstuffs - Methods of analysis for the detection of genetically modified organisms and derived products - Quantitative nucleic acid based methods; Amendment 1
ISO 3708:1976 Phosphoric acid for industrial use (including foodstuffs); Determination of chloride content; Potentiometric method

TR-TSE, Determination method of food total acid

TS 2928-1978 PHOSPHORIC ACID FOR INDUSTRIAL USE (INCLUDING FOODSTUFFS) — DETERMINATION OF TOTAL PHOSPHORUS (V) OXIDE CONTENT — QUINOLINE PHOSPHOMOLYBDATE GRAVIMETRIC METHOD
TS 2917-1978 Phosphoric Acid For Industrial Use (Including Foodstuffs) Determination Of Chloride Content Potentiometric Metot
TS 2081-1975 CRUDE SODIUM BORATES FOR INDUSTRIAL USE DETERMINATION OF TOTAL ALUMINIUM CONTENT TITRIMETRIC METHOD

Danish Standards Foundation, Determination method of food total acid

DS/EN 14131:2003 Foodstuffs - Determination of folate by microbiological assay
DS/EN 15652:2009 Foodstuffs - Determination of niacin by HPLC
DS/EN 14176:2004 Foodstuffs - Determination of domoic acids in mussels by HPLC
DS/EN ISO 21569:2005 Foodstuffs - Methods of analysis for the detection of genetically modified organisms and derived products - Qualitative nucleic acid based methods
DS/EN ISO 21570/AC:2007 Foodstuffs - Methods of analysis for the detection of genetically modified organisms and derived products - Quantitative nucleic acid based methods
DS/EN ISO 21570:2006 Foodstuffs - Methods of analysis for the detection of genetically modified organisms and derived products - Quantitative nucleic acid based methods
DS/EN ISO 21570/A1:2013 Foodstuffs - Methods of analysis for the detection of genetically modified organisms and derived products - Quantitative nucleic acid based methods
DS/EN 1988-2:1998 Foodstuffs - Determination of sulfite - Part 2: Enzymatic method
DS/EN 12014-5:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Part 5: Enzymatic determination of nitrate content of vegetable-containing food for babies and infants
DS/EN 12014-2:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2:HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
DS/EN ISO 21569/A1:2013 Foodstuffs - Methods of analysis for the detection of genetically modified organisms and derived products - Qualitative nucleic acid based methods - Amendment 1
DS/CEN/TS 15633-2:2013 Foodstuffs - Detection of food allergens by immunological methods - Part 2: Quantitative determination of hazelnut with an enzyme immunoassay using monoclonal antibodies and bicinchoninic acid-protein detection
DS/EN 1988-1:1998 Foodstuffs - Determination of sulfite - Part 1: Optimized Monier-Williams method
DS/EN ISO 21571:2005 Foodstuffs - Methods of analysis for the detection of genetically modified organisms and derived products - Nucleic acid extraction

AENOR, Determination method of food total acid

UNE-EN 14131:2004 Foodstuffs - Determination of folate by microbiological assay
UNE-EN 15652:2010 Foodstuffs - Determination of niacin by HPLC
UNE-EN 1988-2:2000 FOODSTUFFS - DETERMINATION OF SULFITE - PART 2: ENZYMATIC METHOD
UNE-EN 12014-5:1997 FOODSTUFFS. DETERMINATION OF NITRATE AND/OR NITRITE CONTENT. PART 5: ENZYMATIC DETERMINATION OF NITRATE CONTENT OF VEGETABLE-CONTAINING FOOD FOR BABIES AND INFANTS.
UNE 33129:1982 TEST METHODS OF VINIC VINEGARS. DETERMINATION OF TOTAL SULPHUROUS ANHYDRIDE CONTENT.
UNE-EN 12014-2:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
UNE-EN ISO 21569:2006 Foodstuffs - Methods of analysis for the detection of genetically modified organisms and derived products - Qualitative nucleic acid based methods (ISO 21569:2005)
UNE-EN ISO 21570:2008 Foodstuffs - Methods of analysis for the detection of genetically modified organisms and derived products - Quantitative nucleic acid based methods (ISO 21570:2005)
UNE 33106:1974 TEST METHODS OF ALCOHOLS FOR BEVERAGE MANUFACTURE. DETERMINATION OF TOTAL ACIDITY AND TOTAL EXTRACT.
UNE-EN ISO 21570:2008/A1:2013 Foodstuffs - Methods of analysis for the detection of genetically modified organisms and derived products - Quantitative nucleic acid based methods (ISO 21570:2005/Amd 1:2013)
UNE-EN 1988-1:2000 Foodstuffs - Determination of sulfite - Part 1: Optimized Monier-Williams method

Professional Standard - Commodity Inspection, Determination method of food total acid

SN/T 3623-2013 Determination of dimethy fumarate in foods for export
SN/T 3047-2011 Food contact materials for export. Polymers. Determination of the migration of lactic acid. High performance liquid chromatography
SN 0180-1992 Method for determination of water activity of food
SN/T 1897-2007 Aerobic plate count in foods.Petrifilm aerobic count plate method
SN/T 3536-2013 Determination of Acid Orange II in foods for export
SN/T 3635-2013 Detection of phytic acid in food for exprot.Colorimetric method
SN/T 1945-2007 Determination of trans fatty acids in foods.Capillary gas chromatography
SN/T 4049-2014 Determination of chlorate in food for export.Ion chromatography method
SN/T 3636-2013 Determination of sulfate in foods for export.Ion chromatography method
SN/T 2918-2011 Determination of sulfite in food for export.Ion chromatography method
SN/T 3151-2012 Determination of nitrate and nitrite in food for export.Ion chromatography
SN/T 3931-2014 Determination of formic acid and formate in export food by ion chromatography method
SN/T 4260-2015 Determination of crude polysaccharides in plant source foods for export.Phehol-sulfuric acid colorimetry
SN/T 3853-2014 Determination of kojic acid in foods for export.LC-MS/MS method
SN/T 2820-2011 Food contact materials for export.Polymers.Test methods for overall migration into aqueous food simulants by cell
SN/T 0392-1995 Method for determination of boric acid in fishery products for export
SN 0178-1992 Counts of thermophilic bacterialspores（total aerobic,flat-sour andanaerobic） in food for export
SN/T 0178-2011 Enumeration of othermophilic bacterial spores(total aerobic,flat-sour and anaerobic) in food for import and export
SN/T 3545-2013 Determination of various preservaives in foods for export

GSO, Determination method of food total acid

GSO ISO 20638:2021 Infant formula — Determination of nucleotides by liquid chromatography
BH GSO ISO 20638:2022 Infant formula — Determination of nucleotides by liquid chromatography
GSO 793:1997 METHODS OF TEST FOR IN FONT FORMULA BASED ON MILK - DETERMINATION OF PANTTHENIC
OS GSO ISO 21570:2009 Foodstuffs — Methods of analysis for the detection of genetically modified organisms and derived products — Quantitative nucleic acid based methods
OS GSO ISO 21569:2008 Foodstuffs — Methods of analysis for the detection of genetically modified organisms and derived products — Qualitative nucleic acid based methods
OS GSO 176:1994 METHODS OF TEST FOR SALTS OF SULPHUROUS ACID USED IN PRESERVATION OF FOODSTUFFS
OS GSO 173:1994 METHODS OF TEST FOR BENZOIC ACID, SODIUM BENZOATE AND POTASSIUM BENZOATE USED IN PRESERVATION OF FOODSTUFFS
GSO ISO 17315:2016 Petroleum products and other liquids -- Ethanol -- Determination of total acidity by potentiometric titration
BH GSO ISO 17315:2017 Petroleum products and other liquids -- Ethanol -- Determination of total acidity by potentiometric titration
OS GSO ISO 17315:2016 Petroleum products and other liquids -- Ethanol -- Determination of total acidity by potentiometric titration
OS GSO ISO 13495:2015 Foodstuffs -- Principles of selection and criteria of validation for varietal identification methods using specific nucleic acid
BH GSO ISO 13495:2017 Foodstuffs -- Principles of selection and criteria of validation for varietal identification methods using specific nucleic acid
GSO 20:2016 Methods For The Determination Of Contaminating Metallic Elements In Foodstuffs
BH GSO 20:2017 Methods For The Determination Of Contaminating Metallic Elements In Foodstuffs
OS GSO 20:2016 Methods For The Determination Of Contaminating Metallic Elements In Foodstuffs

GOST, Determination method of food total acid

GOST R 70224-2022 Food additives. Method for the determination of propionate ions in complex food additives
GOST 21094-2022 Bakery products. Methods of the moisture determination
GOST 5698-2022 Bakers products. Methods for determination of salt mass fraction
GOST 34882-2022 Food additives. Quantitative determination of preservatives (benzoic and sorbic acids and their salts) in complex food additives by chromatographic method
GOST 30615-1999 Raw materials and food products. Phosphorus determination method
GOST ISO 21570-2009 Food products Analytical methods for the detection of genetically modified organisms and derivative products Quantitative methods based on nucleic acid
GOST ISO 21569-2009 Food products Analytical methods for the detection of genetically modified organisms and derivative products Qualitative detection methods based on nucleic acid analysis
GOST R 70995-2023 Bakery products. Determination of the propionic acid mass fraction by capillary electrophoresis
GOST 5672-2022 Bakery products. Methods for determination of sugar content
GOST 5668-2022 Bakery products. Methods for determination of fat content

European Committee for Standardization (CEN), Determination method of food total acid

EN 15842:2010 Foodstuffs - Detection of food allergens - General considerations and validation of methods
EN 14131:2003 Foodstuffs - Determination of folate by microbiological assay
EN 14176:2003 Foodstuffs Determination of domoic acid in mussels by HPLC
EN 12857:1999 Foodstuffs - Determination of cyclamate - High performance liquid chromatographic method
EN 1988-2:1998 Foodstuffs - Determination of sulfite - Part 2: Enzymatic method
EN ISO 20813:2022 Molecular biomarker analysis - Methods of analysis for the detection and identification of animal species in foods and food products (nucleic acid-based methods) - General requirements and definitions (ISO 20813:2019)
EN 1988-1:1998 Foodstuffs - Determination of sulfite - Part 1: Optimized Monier-Williams method
prEN ISO 20647 rev Infant formula and adult nutritionals - Determination of total iodine - Inductively coupled plasma mass spectrometry (ICP-MS)
EN 14546:2005 Foodstuffs - Determination of trace elements - Determination of total arsenic by hydride generation atomic absorption spectrometry (HGAAS) after dry ashing
EN ISO 21569:2005 Foodstuffs - Methods of analysis for the detection of genetically modified organisms and derived products - Qualitative nucleic acid based methods (ISO 21569:2005)

Korean Agency for Technology and Standards (KATS), Determination method of food total acid

KS H ISO 1871-2013(2018) Agricultural food products ― General directions for the determination of nitrogen by the Kjeldahl method
KS M ISO 3706-2017(2022) Phosphoric acid for industrial use(including foodstuffs) — Determination of total phosphorus(V) oxide content — Quinoline phosphomolybdate gravimetric method
KS M ISO 3706-2022 Phosphoric acid for industrial use(including foodstuffs) — Determination of total phosphorus(V) oxide content — Quinoline phosphomolybdate gravimetric method
KS M ISO 3706:2012 Phosphoric acid for industrial use(including foodstuffs)－Determination of total phosphorus(V) oxide content－Quinoline phosphomolybdate gravimetric method
KS M ISO 3706:2017 Phosphoric acid for industrial use(including foodstuffs) — Determination of total phosphorus(V) oxide content — Quinoline phosphomolybdate gravimetric method
KS J ISO 21570-2011(2016) Foodstuffs — Methods of analysis for the detection of genetically modified organisms and derived products — Quantitative nucleic acid based methods
KS J ISO 21569-2011(2021) Foodstuffs — Methods for the detection of genetically modified organisms and derived products — Qualitative nucleic acid based methods
KS J ISO 21570-2011(2021) Foodstuffs — Methods of analysis for the detection of genetically modified organisms and derived products — Quantitative nucleic acid based methods
KS M ISO 3771:2012 Petroleum products－Determination of base number－Perchloric acid potentiometric titration method
KS J ISO 21569:2011 Foodstuffs－Methods of analysis for the detection of genetically modified organisms and derived products－Qualitative nucleic acid based methods
KS J ISO 21569-2011(2016) Foodstuffs — Methods for the detection of genetically modified organisms and derived products — Qualitative nucleic acid based methods
KS J ISO 24276-2006(2021) Foodstuffs - Nucleic acid based methods of analysis for the detection of genetically modified organisms and derived products - General requirements and definitions
KS J ISO 21571-2006(2016) Foodstuffs-Methods of analysis for the detection of genetically modified organisms and derived products-Nucleic acid extraction
KS J ISO 21571-2006(2021) Foodstuffs-Methods of analysis for the detection of genetically modified organisms and derived products-Nucleic acid extraction

Association Francaise de Normalisation, Determination method of food total acid

NF ISO 20638:2016 Infant formulas - Determination of nucleotide content by liquid chromatography
NF V03-137*NF EN 14131:2004 Foodstuffs - Determination of folate by microbiological assay.
NF EN 15652:2009 Food products - Determination of niacin by High Performance Liquid Chromatography (HPLC)
NF EN 1988-1:1998 Food products - Determination of sulphites - Part 1: optimized Monier-Williams method
NF V03-127:2004 Foodstuffs - Determination of domoic acid in mussels by HPLC.
NF V03-161*NF EN 15652:2009 Foodstuffs - Determination of niacin by HPLC
NF EN 1988-2:1998 Produits alimentaires - Dosage des sulfites - Partie 2 : méthode enzymatique.
NF V03-025/A1*NF EN ISO 21570/A1:2013 Foodstuffs - Methods of analysis for the detection of genetically modified organisms and derived products - Quantitative nucleic acid based methods
NF EN 17298:2019 Animal foodstuffs - Methods of sampling and analysis - Determination of benzoic acid and sorbic acid by high pressure liquid chromatography (HPLC)
NF EN 12014-5:1997 Food products - Determination of the nitrate and/or nitrite content - Part 5: enzymatic determination of the nitrate content of vegetable-based foods for babies and small children
NF V03-010-5*NF EN 12014-5:1997 Foodstuffs. Determination of nitrate and/or nitrite content. Part 5 : enzymatic determination of nitrate content of vegetable containing food for babies and infants.
NF V03-053:2010 Foodstuffs - Detection of food allergens - General considerations and validation of methods.
NF EN 12014-2:2017 Food products - Determination of the nitrate and/or nitrite content - Part 2: method for determining the nitrate content of vegetables and vegetable products by HPLC/IC
NF EN ISO 21570/A1:2013 Food products - Methods of analysis for the detection of genetically modified organisms and derived products - Quantitative methods based on the use of nucleic acids
NF EN ISO 21569:2006 Food products - Methods of analysis for the detection of genetically modified organisms and derived products - Qualitative methods based on the use of nucleic acids
NF EN ISO 21570:2006 Food products - Methods of analysis for the detection of genetically modified organisms and derived products - Quantitative methods based on the use of nucleic acids
NF V03-075*NF EN 12857:2001 Foodstuffs - Determination of cyclamate - High performance liquid chromatographic method
NF V03-060-2*NF EN 1988-2:1998 Foodstuffs. Determination of sulfite. Part 2 : enzymatic method.
NF V03-060-1*NF EN 1988-1:1998 Foodstuffs. Determination of sulfite. Part 1 : optimized Monier-Williams method.
NF V03-510*NF ISO 20813:2019 Molecular biomarker analysis - Methods of analysis for the detection and identification of animal species in foods and food products (nucleic acid-based methods) - General requirements and definitions
NF V03-022*NF EN ISO 21569:2006 Foodstuffs - Methods of analysis for the detection of genetically modified organisms and derived products - Qualitative nucleic acid based methods
NF V03-022/A1*NF EN ISO 21569/A1:2013 Foodstuffs - Methods of analysis for the detection of genetically modified organisms and derived products - Qualitative nucleic acid based methods - Amendment 1
NF ISO 13495:2014 Food products - Selection principles and validation criteria for varietal identification methods by specific nucleic acid analyzes
NF V04-398*NF EN ISO 20647:2020 Infant formula and adult nutritionals - Determination of total iodine - Inductively coupled plasma mass spectrometry (ICP-MS)
NF T20-481:1979 Phosphoric acid for industrial use (including foodstuffs). Determination of chloride content. Potentiometric method.
NF V03-010-2*NF EN 12014-2:2017 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2 : HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
NF V03-010-2:1997 Foodstuffs. Determination of nitrate and/or nitrite content. Part 2 : HPLC/IC method for the determination of nitrate content of vegetables and vegetable products.
NF EN ISO 21569/A1:2013 Food products - Methods of analysis for the detection of genetically modified organisms and derived products - Qualitative methods based on the use of nucleic acids - Amendment 1
NF T20-468:1984 Phosphoric acid for industrial use (including foodstuffs). Determination of hydrogen sulfide content. Titrimetric method.
NF V03-512-1*NF ISO 22949-1:2021 Molecular biomarker analysis - Methods of analysis for the detection and identification of animal species in foods and food products (nucleotide sequencing-based methods) - Part 1 : general requirements

Group Standards of the People's Republic of China, Determination method of food total acid

T/CITS 0004-2021 Fast determination of total mercury in food—Direct mercury analyzer
T/CGCC 58-2021 Rapid Determination of Total Bacterial Colony Test Sheet Method in Food
T/SSFS 0008-2023 Rapid determination of aerobic plate count in food — Dry rehydratable film method
T/GDFDTAEC 03-2022 Determination of total ginsenosides in health food by Spectrophotometry
T/SXITS 0004-2021 Determination of Formic Acid in Health Food by Gas Chromatography
T/SATA 053-2023 Determination of bromate, nitrite, chlorate, nitrate and thiocyanate in infant formula - Ion Chromatography
T/GDFDTAEC 05-2022 Determination of total flavonoids in propolis health food by Spectrophotometry
T/GDFDTAEC 06-2022 Determination of total triterpenoids in Ganoderma lucidum health food by Spectrophoto
T/GDGAA 0005-2022 General method for the determination of food and drugs by terahertz spectroscopy
T/SATA 0002-2017 Determination of folic acid (folate activity) content in food for infants and young children and dairy products Microplate method
T/SDAQI 054-2021 Textiles - Determination of total content of lead and cadmium in metallic accessories
T/CIFST 016-2023 Determination of pantothenic acid in foods Precoated microplate microbiological method
T/CIFST 015-2023 Determination of folic acid in foods Precoated microplate microbiological method
T/SAFCM 042-2023 Automatic titrator method for determination of potassium permanganate consumption in food contact materials and products
T/SNHFA 012-2021 Determination of Sodium Hyaluronate Content in Food by High Performance Liquid Chromatography

British Standards Institution (BSI), Determination method of food total acid

BS EN 1988-2:1998 Foodstuffs - Determination of sulfite - Enzymatic method
BS EN 14131:2003 Foodstuffs - Determination of folate by microbiological assay
BS EN 1988-1:1998 Foodstuffs - Determination of sulfite - Optimized Monier-Williams method
BS EN 15652:2009 Foodstuffs - Determination of niacin by HPLC
BS EN ISO 21569:2005+A1:2013 Foodstuffs. Methods of analysis for the detection of genetically modified organisms and derived products. Qualitative nucleic acid based methods
BS EN ISO 21570:2005+A1:2013 Foodstuffs. Methods of analysis for the detection of genetically modified organisms and derived products. Quantitative nucleic acid based methods
BS EN 12857:1999 Foodstuffs - Determination of cyclamate - High performance liquid chromatographic method
BS EN ISO 20813:2022 Foodstuffs. Principles of selection and criteria of validation for varietal identification methods using specific nucleic acid
23/30472844 DC BS EN 13806-3. Foodstuffs. Determination of trace elements - Part 3. Determination of total mercury in foodstuffs with atomic absorption directly from the foodstuff (elemental mercury analysis)
BS 4267-2:1988(1999) Ammonium nitrate — Part 2 : Method for determination of total nitrogen content
BS EN 12014-2:1997 Foodstuffs - Determination of nitrate and/or nitrite content - HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
BS ISO 20813:2019 Molecularbiomarkeranalysis — Methods ofanalysis for the detection and identification of animal species in foods and food products (nucleic acid - based methods) — General requirements and definitions
BS 7142-5:1997 Methods for analysis of milk-based products - Determination of titratable acidity of yogurt (potentiometric method)
BS 2000-276:1995 Methods of test for petroleum and its products - Petroleum products - Determination of base number - Perchloric acid potentiometric titration method
BS ISO 13495:2013 Foodstuffs. Principles of selection and criteria of validation for varietal identification methods using specific nucleic acid
BS 4401-1:1998 Methods of test for meat and meat products. Determination of total ash
DD ENV 12014-4-1998 Foodstuffs. Determination of nitrate and/or nitrite content. Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products
BS EN 12014-4:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products
BS EN 15633-1:2009 Foodstuffs - Detection of food allergens by immunological methods - Part 1: General considerations
BS EN ISO 21569:2005 Foodstuffs - Methods of analysis for the detection of genetically modified organisms and derived products - Qualitative nucleic acid based methods
BS 4585-3:1998 Methods of test for spices and condiments. Determination of total ash
BS EN 16852:2017 Foodstuffs. Determination of ethyl carbamate in stone fruit spirits, fruit marc spirits and other spirit drinks. GC-MS method
BS EN 14176:2004 Foodstuffs - Determination of domoic acids in mussels by HPLC

未注明发布机构, Determination method of food total acid

DIN EN 15842 E:2018-05 Foodstuffs - Detection of food allergens - General considerations and validation of methods
DIN EN 12014-2 E:2016-08 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
DIN EN ISO 20647 E:2020-02 Determination of total iodine in infant formulas and adult nutritional products by inductively coupled plasma mass spectrometry (draft)
DIN/TS 10068:2022 Food - Determination of microplastics - Analytical methods; Text in English
ASTM RR-D02-1727 2011 D0664-Test Method for Acid Number of Petroleum Products by Potentiometric Titration
ASTM RR-D02-1869 2017 D0664-Test Method for Acid Number of Petroleum Products by Potentiometric Titration
ASTM RR-D02-1551 2003 D0664-Test Method for Acid Number of Petroleum Products by Potentiometric Titration
DIN EN ISO 21569:2005 Food – Methods for the detection of genetically modified organisms and their products – Qualitative methods based on nucleic acids (ISO 21569:2005); German version EN ISO 21569:2005

KR-KS, Determination method of food total acid

KS M ISO 3706-2017 Phosphoric acid for industrial use(including foodstuffs) — Determination of total phosphorus(V) oxide content — Quinoline phosphomolybdate gravimetric method
KS J ISO 21569-2022 Foodstuffs Methods of analysis for the detection of genetically modified organisms and derived products Qualitative nucleic acid based methods
KS J ISO 21570-2022 Foodstuffs Methods of analysis for the detection of genetically modified organisms and derived products Quantitative nucleic acid based methods

Jilin Provincial Standard of the People's Republic of China, Determination method of food total acid

DB22/T 1810-2013 Determination of boric acid and borate in food by ion chromatography
DB22/T 1811-2013 Determination of Sulfite in Food by Ion Chromatography
DB22/T 1668-2012 Spectrophotometric Determination of Total Ginsenosides in Ginseng Food

海关总署, Determination method of food total acid

SN/T 5451-2022 Commercial kit detection method for total lactic acid bacteria method 1
SN/T 5155-2019 Testing methods for food contact materials: Determination of crotonic acid content in polymeric material food simulants by high performance liquid chromatography

PL-PKN, Determination method of food total acid

PN A75101-04-1990 Fruit and vegetable products Preparation of samples and testing methods Determination of total acidity
PN A86921-1960 Eatable vegetable fats. Testing methods. Deter- mination of the acid number
PN-EN 12014-2-2018-01 P Foodstuffs--Determination of nitrate and/or nitrite content--Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products

Taiwan Provincial Standard of the People's Republic of China, Determination method of food total acid

CNS 12957-2007 Method of test for milk and milk products - Determination of total phosphorus content in edible cheese
CNS 12957-1992 Method of Test for Milk and Milk Products:Determination of Total Phosphorus Content
CNS 12980-1992 Method of Test for Milk and Milk Products - Determination of Nitrate and Nitrite Contents of Edible Cheese
CNS 12956-2007 Method of test for milk and milk products - Determination of citric acid content in edible cheese
CNS 12956-1992 Method of Test for Milk and Milk Products:Determination of Citric Acid Content of Edible Cheese
CNS 12980-2007 Method of test for milk and milk products - Determination of nitrate and nitrite content in edible cheese

RO-ASRO, Determination method of food total acid

SR 2567-1-1997 Soft drinks - Methods of analysis - Determination of total acidity (Uzual method )
STAS 9682/2-1974 Stimulant foods COCOA DEANS Determination of moisture content (Routine method)

SE-SIS, Determination method of food total acid

SIS SS 15 51 57-1979 Petroleum products — Total base number Perchloric acid potentiometric titration method

American National Standards Institute （ANSI), Determination method of food total acid

ANSI/ASTM D2942:1996 Test Method for Total Acid Acceptance of Halogenated Organic Solvents (Nonreflux Methods)

TH-TISI, Determination method of food total acid

TIS 1817-1999 Petroleum products.determination of base number.perchloric acid potentiometric titration method

Professional Standard - Aviation, Determination method of food total acid

HB/Z 5108.1-1999 Analytical methods for phosphating solutions - Potentiometric titration for the determination of free and total acidity
HB 7064.6-1994 Method of chemical analysis in salt bath for heat treatment of metals - Determination of total alkalinity by acid-base titration

Hubei Provincial Food Standard of the People's Republic of China, Determination method of food total acid

DBS42/ 010-2018 Determination method of inorganic selenium in selenium-enriched food according to local food safety standards

ES-UNE, Determination method of food total acid

UNE-EN 12014-2:2018 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
UNE-CEN/TS 15633-2:2013 Foodstuffs - Detection of food allergens by immunological methods - Part 2: Quantitative determination of hazelnut with an enzyme immunoassay using monoclonal antibodies and bicinchoninic acid-protein detection (Endorsed by AENOR in June of 2013.)
UNE-EN ISO 20813:2023 Molecular biomarker analysis - Methods of analysis for the detection and identification of animal species in foods and food products (nucleic acid-based methods) - General requirements and definitions (ISO 20813:2019)

CO-ICONTEC, Determination method of food total acid

ICONTEC 75-1992 Alcoholic beverages. Legal method of measurement of total acidity

Hebei Provincial Food Standard of the People's Republic of China, Determination method of food total acid

DBS13/ 006-2016 Determination of Benzoic Acid, Sorbic Acid, Dehydroacetic Acid, Sodium Saccharin and Acesulfame Potassium (Acesulfame K) in Food Safety Local Standard Food by High Performance Liquid Chromatography

GOSTR, Determination method of food total acid

GOST 7702.2.5-1993 Poultry meat, edible offal, ready-to-cook products. Methods for detection and quantity determination of listerell
GOST 6263-1980 Cool chemical products. Method for the determination of total sulphur
GOST 6263-2020 Cool chemical products. Method for the determination of total sulphur
GOST 34623-2019 Foods for special dietary uses, food biologically active additives. Method for determination of proanthocyanidins
GOST R 57990-2017 Foods for special dietary uses, biologically active food supplements. Method for the determination of quercetin
GOST 34140-2017 Food products, feed, food raw materials. Method for determination of mycotoxins by high performance liquid chromatography-mass spectrometry
GOST 34535-2019 Food products, feeds, food raw materials. Method for determination of coccidiostats by high performance liquid chromatography - mass spectrometry
GOST 34138-2017 Food products, food raw materials. Method of determining residual content of macrocyclic lactones by high performance liquid chromatography with fluorimetric detection

BELST, Determination method of food total acid

STB GOST R 51650-2001 Food stuffs. Methods for determination of benz(a)pyren fraction of total mass
STB 1036-97 Food and agricultural products. Methods of selection of samples for determination of safety indexes

Professional Standard - Petrochemical Industry, Determination method of food total acid

SH/T 0163-1992 Determination of total acid value of petroleum products (semi-micro color indicator method)

Professional Standard - Light Industry, Determination method of food total acid

QB/T 1035.4-1991 Food additive sodium tripolyphosphate sulfate content determination gravimetric method

Hunan Provincial Standard of the People's Republic of China, Determination method of food total acid

DB43/T 353-2007 Determination of Dimethyl Fumarate in Food--Gas Chromatography

Hebei Provincial Standard of the People's Republic of China, Determination method of food total acid

DB13/T 1224-2010 Determination method of total nitrogen in organic chemical products
DB13/T 1233-2010 Method for Determination of Acidity (Acid Value) and Alkalinity of Chemical Products
DB13/T 1226-2010 Determination method of residue on ignition in food additive products

Military Standard of the People's Republic of China-General Armament Department, Determination method of food total acid

GJB 1858.1-2019 Prediction method for storage period of military food Part 1: Low temperature acid value method
GJB 1858.2-2019 Method for Predicting Storage Period of Military Food Part 2: High Temperature Acid Price Method

Shandong Provincial Standard of the People's Republic of China, Determination method of food total acid

DB37/T 3992-2020 Determination of chlorite and chlorate residues in food by ion chromatography

商务部, Determination method of food total acid

SB/T 10920-2012 Determination of acid orange dye in food by high performance liquid chromatography

Jinlin Provincial Food Standard of the People's Republic of China, Determination method of food total acid

DBS22/ 002-2013 Determination of Sodium Dodecylbenzene Sulfonate in Food Safety Local Standard Noodle Food by High Performance Liquid Chromatography-Fluorescence Detector
DBS22/ 001-2012 Determination of D-erythorbic acid in food by high performance liquid chromatography

Standard Association of Australia （SAA）, Determination method of food total acid

ISO 21570:2005/Amd.1:2013 Foodstuffs — Methods of analysis for the detection of genetically modified organisms and derived products — Quantitative nucleic acid based methods AMENDMENT 1
ISO 21569:2005/Amd.1:2013 Foodstuffs — Methods of analysis for the detection of genetically modified organisms and derived products — Qualitative nucleic acid based methods AMENDMENT 1

American Society for Testing and Materials (ASTM), Determination method of food total acid

ASTM D5564-95 Standard Test Method for Determination of the Total Ammonia Contained in Sulfonated or Sulfated Oils
ASTM D5564-95(2001) Standard Test Method for Determination of the Total Ammonia Contained in Sulfonated or Sulfated Oils
ASTM D5564-95(2006) Standard Test Method for Determination of the Total Ammonia Contained in Sulfonated or Sulfated Oils
ASTM D5564-95(2011) Standard Test Method for Determination of the Total Ammonia Contained in Sulfonated or Sulfated Oils

Yunnan Provincial Food Standard of the People's Republic of China, Determination method of food total acid

DBS53/ 015-2013 Determination of Dimethyl Fumarate in Food by High Performance Liquid Chromatography

Canadian General Standards Board （CGSB), Determination method of food total acid

CAN/CGSB-4.2 NO.73.5-M91-1991 Textile Test Methods Wool - Determination of Acid Content

National Health Commission of the People's Republic of China, Determination method of food total acid

GB 23200.62-2016 National food safety standards— Determination of flumiclorac-pentyl residue in foods Gas chromatography-mass spectrometry