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acid content

acid content, Total:499 items.

In the international standard classification, acid content involves: Cereals, pulses and derived products, Products of the textile industry, Textile fibres, Pulps, Sterilization and disinfection, Products of the chemical industry, Inorganic chemicals, Milk and milk products, Animal feeding stuffs, Edible oils and fats. Oilseeds, Fertilizers, Leather technology, Sugar. Sugar products. Starch, Raw materials for rubber and plastics, Beverages, Fruits. Vegetables, Testing of metals, Non-metalliferous minerals, Analytical chemistry, Organic chemicals, Meat, meat products and other animal produce, Spices and condiments. Food additives, Farming and forestry, Food products in general, Rubber, Lubricants, industrial oils and related products, General methods of tests and analysis for food products, TEXTILE AND LEATHER TECHNOLOGY, Soil quality. Pedology, Fuels, Pharmaceutics, Water quality, Plastics, Ferroalloys, Paint ingredients, FOOD TECHNOLOGY, Extraction and processing of petroleum and natural gas, Vocabularies, Tea. Coffee. Cocoa, Paper products, Construction materials.


HU-MSZT, acid content

Association Francaise de Normalisation, acid content

  • NF V03-751:1985 SORGHUM. DETERMINATION OF TANNIN CONTENT.
  • NF V18-114:2005 Animal feeding stuffs - Determination of tryptophan content.
  • NF V18-113*NF EN ISO 13903:2005 Animal feeding stuffs - Determination of amino acids content.
  • NF V18-114*NF EN ISO 13904:2016 Animal feeding stuffs - Determination of tryptophan content
  • NF EN ISO 13904:2016 Aliments des animaux - Détermination de la teneur en tryptophane
  • NF EN ISO 13903:2005 Aliments des animaux - Détermination de la teneur en acides aminés
  • NF T42-017*NF ISO 1802:2004 Natural rubber latex concentrate - Determination of boric acid content
  • NF V59-201:1988 Collagenes. Determination fo hydroxyproline content.
  • NF V31-003:1990 Rape seed with low erucic content. Specification.
  • NF V31-004:1990 Rape seed with erucic acid content. Specification.
  • NF V76-127*NF EN 1141:1994 Fruit and vegetable juices. Spectrometric determination of proline content.
  • NF V04-146*NF ISO 9231:2008 Milk and milk products - Determination of benzoic acid and sorbic acid contents.
  • NF ISO 9231:2008 Lait et produits laitiers - Détermination de la teneur en acide benzoïque et en acide sorbique
  • NF V05-114:1972 Products derived from fruits and vegetables. Determination of benzoic acid content.
  • NF T42-017:1987 Natural rubber latex concentrate. Determination of boric acid content.
  • NF V05-118:1974 Fruits, légumes et produits dérivés - Détermination de la teneur en acidité volatile
  • NF T20-527:1980 Sodium and potassium silicates for industrial use. Determination of sulphates content. Barium sulphate gravimetric method.
  • NF V04-412:2000 Meat and meat products - Determination of L-(+)-glutamic acid content - Reference method.
  • NF V05-115:1972 Products derived from fruits and vegetables. Determination of sorbic acid content.
  • NF V04-412:1983 MEAT AND MEAT PRODUCTS. DETERMINATION OF L-(+)-GLUTAMIC ACID CONTENT (REFERENCE METHOD).
  • XP ISO/TS 2963:2006 Fromages et fromages fondus - Détermination de la teneur en acide citrique - Méthode enzymatique
  • NF T60-750:2020 Animal and vegetable fats and oils - Determination of omega-3 and omega-6 fatty acid content
  • NF ISO 20638:2016 Formules infantiles - Détermination de la teneur en nucléotides par chromatographie liquide
  • NF V04-415:1987 Meat and meat products. Determination of L(-) hydroxyproline content (reference method).
  • XP V04-285*XP ISO/TS 2963:2006 Cheese and processed cheese products - Determination of citric acid content - Enzymatic method
  • XP V04-441-1*XP ISO/TS 19046-1:2017 Cheese - Determination of propionic acid level by chromatography - Part 1 : method by gas chromatography
  • XP ISO/TS 19046-1:2017 Fromages - Détermination de la teneur en acide propionique par chromatographie - Partie 1 : méthode par chromatographie en phase gazeuse
  • NF ISO 11023:1999 Extraits de réglisse (Glycyrrhiza glabra L.) - Détermination de la teneur en acide glycyrrhizique - Méthode par chromatographie liquide à haute performance
  • NF V76-136*NF EN 12138:1997 Fruit and vegetable juices. Enzymatic determination of D-malic acid content. NAD spectrometric method.
  • NF V47-100:1993 Agricultural and food products. Determination of D3-hydroxybutyric acid content of egg products.
  • NF EN 12742:1999 Jus de fruits et de légumes - Dosage des teneurs en acides aminés libres - Méthode par chromatographie en phase liquide.
  • NF EN ISO 10693:2014 Qualité du sol - Détermination de la teneur en carbonate - Méthode volumétrique
  • NF V03-629*NF EN ISO 11215:1998 Modified starch. Determination of adipic acid content of acetylated di-starch adipates. Gas-chromatographic method.
  • NF V76-126*NF EN 1137:1994 Fruit and vegetable juices. Enzymatic determination of citric acid (citrate) content. Nadh spectrometric method.

NL-NEN, acid content

  • NEN 2855-1987 hruit juices Calculation of D-malic acid content from total malie acid content and L-malic acid content
  • NEN 6493-1987 Water - Photometric determination of cyanuric acid content
  • NEN 5920-1988 Aggregates for concrete - Determination of content of fulvo acid
  • NEN 3785-1988 Quarg (fresh cheese) Determination of lactic acid content
  • NEN 2844-1984 Fruit juices - Determination of the total D-iso-citric acid content - Enzymatic method
  • NEN 6398-1992 Fruit lemonades - Determination of proline content - Spectrometric method
  • NEN 2850-1984 Fruit juices - Determination of free amino acids content - Column chromatographic method
  • NEN 6336-1981 Vegetable and animal oils and fats Determination of the content of trans-unsaturated fatty acids (trans content)
  • NEN-ISO 4134:1992 Meat and meat products. Determination of L-(+)-glutamic acid content (referece method)
  • NEN 2863-1989 Fruit juices Determination of free tartaric acid content of grape juice - Titrimetric method
  • NEN 6670-1982 Water — Photometric determination of the content of phenols volatile with water vapour
  • NEN 6487-1982 Water - Titrimetric determination of the sulphate content
  • NEN 2864/1-1989
  • NEN 2864-1989 Fruit Juices. Determination of the total tartaric acid content of apple juice. Liquid chromatography method
  • NEN 3796-1993 Quarg (fresh cheese). Determination of hydroxyprolin content and calculation of gelatin content

VN-TCVN, acid content

  • TCVN 4073-2009 Candy.Determination of acid content
  • TCVN 6341-1998 Iodated salt.Method for determination ofiodate content
  • TCVN 3702-2009 Fish and fishery products.Determination of acid content
  • TCVN 5283-2007 Animal feeding stuffs.Determination of tryptophan content
  • TCVN 6322-2007 Natural rubber latex concentrate.Determination of boric acid content
  • TCVN 7810-2007 Fruit and vegetable products.Determination of benzoic acid content (benzoic acid contents greater than 200 mg per litre or per kilogram).Molecular absorption spectrometry method
  • TCVN 5282-1990 Animal feeding stuffs.Method of determination of methionine content
  • TCVN 4713-1989 Canned vegetables and fruits.Determination of sorbic acid content
  • TCVN 7807-2013 Fruits, vegetables and derived products.Determination of sorbic acid content
  • TCVN 5245-1990 Fruits, vegetables and derived products.Determination of volatile acids content
  • TCVN 7812-1-2007 Fruit and vegetable products.Determination of formic acid content.Part 1: Gravimetric method
  • TCVN 3896-1984 Natural gases.Method of absorption for the determination of carbon dioxide and total of gaseous acid contents by VTI-2
  • TCVN 7812-2-2007 Fruit and vegetable products.Determination of formic acid content.Part 2: Routine method
  • TCVN 6428-2007 Fruits, vegetables and derived products.Determination of benzoic acid content.Spectrophotometry method

RO-ASRO, acid content

International Organization for Standardization (ISO), acid content

  • ISO 3073:1975 Wool; Determination of acid content
  • ISO 7557:1988 Rape (colza) seeds with low erucic acid content; specification
  • ISO/TS 17764:2002 Animal feeding stuff - Determination of the content of fatty acid
  • ISO 13904:2005 Animal feeding stuffs - Determination of tryptophan content
  • ISO 13903:2005 Animal feeding stuffs - Determination of amino acids content
  • ISO 13904:2016 Animal feeding stuffs - Determination of tryptophan content
  • ISO 1802:1985 Natural rubber latex concentrate — Determination of boric acid content
  • ISO 1802:1992 Natural rubber latex concentrate; determination of boric acid content
  • ISO 1914:1972 Boric acid for industrial use; Determination of boric acid content; Volumetric method
  • ISO 7781:2001 Styrene-butadiene rubber, raw - Determination of soap and organic-acid content
  • ISO 7781:2008 Styrene-butadiene rubber, raw - Determination of soap and organic-acid content
  • ISO 3496:1994 Meat and meat products - Determination of hydroxyproline content
  • ISO 7781:2017 Styrene-butadiene rubber, raw - Determination of soap and organic-acid content
  • ISO 9231:2008 Milk and milk products - Determination of the benzoic and sorbic acid contents
  • ISO 9231:2008 | IDF 139:2008 Milk and milk products — Determination of the benzoic and sorbic acid contents
  • ISO 9231:2008|IDF 139:2008 Determination of benzoic acid and sorbic acid content in milk and milk products
  • ISO 5519:2008 Fruits, vegetables and derived products - Determination of sorbic acid content
  • ISO 5519:1978 Fruits, vegetables and derived products; Determination of sorbic acid content
  • ISO 7781:1996 Rubber, raw styrene-butadiene - Determination of soap and organic-acid content
  • ISO 1597:1975 Plastics; Unplasticized cellulose acetate; Determination of acetic acid yield
  • ISO 1597:1994 Plastics - Unplasticized cellulose acetate - Determination of acetic acid yield
  • ISO 4134:1999 Meat and meat products - Determination of L-(+)-glutamic acid content - Reference method
  • ISO 7781:1986 Rubber, raw styrene-butadiene; Soap and organic acid content; Determination
  • ISO 4134:1978 Meat and meat products; Determination of L-(+)- glutamic acid content; Reference method
  • ISO 2963:1974 Cheese and processed cheese products; Determination of citric acid content (Reference method)
  • ISO 4134:2021 Meat and meat products - Determination of L-(+)-glutamic acid content - Reference method
  • ISO 3496:1978 Meat and meat products; Determination of L(-)- hydroxyproline content (Reference method)
  • ISO/TS 2963:2006 | IDF/RM 34:2006 Cheese and processed cheese products — Determination of citric acid content — Enzymatic method
  • ISO 6638-1:1985 Fruit and vegetable products; Determination of formic acid content; Part 1 : Gravimetric method
  • ISO 11023:1999 Liquorice extracts (Glycyrrhiza glabra L.) - Determination of glycyrrhizic acid content - Method using high-performance liquid chromatography
  • ISO/TS 2963:2006 Cheese and processed cheese products - Determination of citric acid content - Enzymatic method
  • ISO 3138:1974 Anhydrous hydrogen fluoride for industrial use; Determination of non-volatile acid content; Titrimetric method
  • ISO/TS 19046-1:2017 | IDF/RM 233-1:2017 Cheese — Determination of propionic acid level by chromatography — Part 1: Method by gas chromatography
  • ISO/TS 2963:2006|IDF/RM 34:2006 Enzymatic method for determination of citric acid content in cheese and melted cheese products
  • ISO 753-3:1983 Acetic acid for industrial use; Methods of test; Part 3 : Determination of formic acid content; Iodometric method
  • ISO/TS 17764-2:2002 Animal feeding stuffs - Determination of the content of fatty acids - Part 2: Gas chromatographic method
  • ISO/TS 17764-1:2002 Animal feeding stuffs - Determination of the content of fatty acids - Part 1: Preparation of methyl esters
  • ISO 5518:2007 Fruits, vegetables and derived products - Determination of benzoic acid content - Spectrophotometric method
  • ISO 6638-2:1984 Fruit and vegetable products; Determination of formic acid content; Part 2 : Routine method
  • ISO 5518:1978 Fruits, vegetables and derived products; Determination of benzoic acid content; Spectrophotometric method
  • ISO 10693:1995 Soil quality - Determination of carbonate content - Volumetric method
  • ISO 753-2:1981 Acetic acid for industrial use; Method of test; Part 2 : Determination of acetic acid content; Titrimetric method

Korean Agency for Technology and Standards (KATS), acid content

KR-KS, acid content

PL-PKN, acid content

  • PN A04016-1962 Food products. Determination of benzoic oc'd confents
  • PN A04017-1964 Food products Determination of sorbic acid contents
  • PN H04965-1992 Metallic powders Determination of acidinsoluble content
  • PN C97066-1974 Coal derivative products Determination of tar acids contents
  • PN A86026-1990 Milk and dairy products Milk powdcr Determination of nitritc and nitrate contents
  • PN R87020-1992 Herbal raw materials and products Determination of ascorbic acid content
  • PN C04211-11-1985 Test methods of natural rubber latex Determination of boric acid
  • PN BN 6041-03-1964
  • PKN-ISO/TS 19046-1-2021-07 P Cheese -- Determination of propionic acid level by chromatography -- Part 1: Method by gas chromatography
  • PN G97051-16-1989 Brown coals Determination of the yield of toluene extract (bitumins) of the resins contant in the extract and of the content of humic acids
  • PN C04814-1969 Washing powder Determination o? silicates content
  • PN C04815-1969 Washing powder De?ermina?ion o? carbona?es content
  • PN A79120-07-1990 Wines and meads Preparation of samples and testing methods Determination of total acidity content

Professional Standard - Agriculture, acid content

  • GB/T 19108-2003 Determination of peracetic acid content
  • NY/T 1971-2010 Water-soluble fertilizers.Determination of humic-acids content
  • GB 8294-1987 Determination of boric acid content in natural concentrated latex
  • NY/T 1975-2010 Water-soluble fertilizers.Determination of amino-acids content
  • GB 9695.23-1990 Determination of L(-)-Hydroxyproline Content in Meat and Meat Products
  • NY/T 2794-2015 Determination of amino acids content in peanut.Near-infrared method
  • NY/T 2012-2011 Determination of free phenolic acid in fruits and derived products
  • GB 12289-1990 Determination of benzoic acid content in fruits, vegetables and products
  • GB 12292-1990 Determination of free amino acid content in fruit and vegetable juice
  • GB 12290-1990 Determination of sorbic acid content in fruits, vegetables and products
  • NY/T 2878-2015 Determination of Polyaspartic Acid Content in Water Soluble Fertilizer
  • NY/T 4225-2022 Determination of Fatty Acid Content in Natural Raw Rubber by Gas Chromatography
  • 244药典 三部-2020 Content Determination Method 3123 Determination of Glycine Content in Human Immunoglobulin
  • 192药典 三部-2010 Appendix VI VIS Determination of Glycine Content in Human Immunoglobulin
  • 217药典 四部-2015 3100 Content Determination Method 3123 Determination Method of Glycine Content in Human Immunoglobulin
  • 205药典 四部-2020 3100 Content Determination Method 3123 Determination Method of Glycine Content in Human Immunoglobulin
  • NY/T 2278-2012 Determination of ganoderic acid in ganoderma products by HPLC
  • NY/T 2005-2011 Determination of tans fatty acids in animal and vegetable fats and oils.GC
  • 225药典 三部-2015 Content Determination Method 3123 General Rules for Determination of Glycine Content in Human Immunoglobulin 62

Indonesia Standards, acid content

American National Standards Institute (ANSI), acid content

Shandong Provincial Standard of the People's Republic of China, acid content

  • DB37/T 375-2003 Determination method of peracetic acid content
  • DB37/T 246-1997 Leather - method for determination of free chromic acid content
  • DB37/T 3498-2019 Determination method of phytic acid content in cereal grains
  • DB37/T 3314-2018 Determination of Alginic Acid Content in Fertilizer by Spectrophotometry
  • DB37/T 3816-2019 Determination of Inosinic Acid Content in Livestock and Poultry Muscle by High Performance Liquid Chromatography
  • DB37/T 2094-2012 Determination of Hydroxyproline Content in Aquatic Products by High Performance Liquid Chromatography

ZA-SANS, acid content

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, acid content

  • GB/T 12684.1-1990 Boric acid for industrial use--Determination of boric acid content
  • GB/T 21514-2008 Determination of the content of fatty acids in feeds
  • GB/T 15665-1995 Pulses--Determination of glycosidic hydrocyanic acid
  • GB/T 1628.3-2000 Glacial acetic acid for industrial use-Determination of acetic acid content-Titrimetric method
  • GB/T 8294-2001 Natural rubber latex concentrate--Determination of boric acid content
  • GB/T 9695.23-2008 Meat and meat products.Determination of hydroxyproline content
  • GB/T 8294-2008 Natural rubber latex concentrate. Determination of boric acid content
  • GB 19108-2003 Peracetic acid solution-Determination of peracetic acid content
  • GB/T 1628.4-2000 Glacial acetic acid for industrial use-Determination of formic acid content-Iodometric method
  • GB/T 9695.23-1990 Meat and meat products--Method for determination of L (-)-hydroxyprolin content
  • GB/T 14489.3-1993 Method for determination of free fatty acids content of oils in oilseeds
  • GB/T 12292-1990 Juice of fruits and vegetables--Determination of free amino acid
  • GB/T 12289-1990 Fruits,vegetables and derived products--Determination of benzoic acid content
  • GB/T 12290-1990 Fruits,vegetables and derived products--Determination of sorbic acid content
  • GB/T 1628.5-2000 Glacial acetic acid for industrial use-Determinati0n of formic acid content-Gas chromatographic method
  • GB/T 12492-1990 Determination of cystine content of wool hydrolysates by colorimetry
  • GB/T 15664-1995 Fruit, vegetable and their products--Determination of formic acid content--Gravimetric method
  • GB/T 15664-2009 Fruit and vegetable products-Determination of formic acid content-Gravimetric method
  • GB/T 8657-2000 Rubber,raw styrene-butadiene-Determination of soap and organic-acid content
  • GB/T 14455.5-2008 Fragrance/Flavor substances.Determination of acid value or acid content
  • GB/T 8657-2014 Styrene-butadiene rubber, raw.Determination of soap and organic-acid content
  • GB/T 11198.1-1989 Sulphuric acid for industrial use--Determination of sulphuric acid content and calculation of free sulphur trioxide content of oleum--Titrimetric method
  • GB/T 12684.6-1990 Boric acid for industrial use--Determination of iron content
  • GB/T 5195.2-2006 Fluorspar. Determination of carbonate content
  • GB/T 12684.9-1990 Boric acid for industrial use--Determination of manganese content
  • GB/T 12684.10-1990 Boric acid for industrial use--Determination of chromium content
  • GB/T 12684.11-1990 Boric acid for industrial use--Determination of cobalt content
  • GB/T 12684.7-1990 Boric acid for industrial use--Determination of ammonia content

PT-IPQ, acid content

CZ-CSN, acid content

ES-AENOR, acid content

AENOR, acid content

  • UNE 40203:1972 METHOD TO DETERMINE THE AMOUNT OF ACID IN WOOL.
  • UNE-EN ISO 13903:2006 Animal feeding stuffs - Determination of amino acids content (ISO 13903:2005)
  • UNE 33125:1981 TEST METHODS OF VINIC VINEGARS. DETERMINATION OF THE CONTENT IN TARTARIC ACID.
  • UNE 53638:1991 RUBBER. NATURAL RUBBER LATEX CONCENTRATE. DETERMINATION OF BORIC ACID CONTENT.
  • UNE-EN 12138:2000 Fruit and vegetable juices - Enzymatic determination of D-malic acid content - NAD spectrometric method
  • UNE-EN 12742:2000 Fruit and vegetable juices - Determination of the free amino acids content - Liquid chromatographic method
  • UNE 77317:2001 Soil quality. Determination of carbonate content.. Volumetric method.

British Standards Institution (BSI), acid content

  • BS EN ISO 13904:2005 Animal feeding stuffs - Determination of tryptophan content
  • BS EN ISO 13903:2005 Animal feeding stuffs - Determination of amino acids content
  • BS ISO 7781:2008 Styrene-butadiene rubber, raw - Determination of soap and organic-acid content
  • BS ISO 7781:2017 Styrene-butadiene rubber, raw. Determination of soap and organic-acid content
  • BS ISO 9231:2008 Milk and milk products - Determination of the benzoic and sorbic acid contents
  • BS EN ISO 13904:2016 Tracked Changes. Animal feeding stuffs. Determination of tryptophan content
  • BS DD ISO/TS 17764-1:2002 Animal feeding stuffs - Determination of the content of fatty acids - Preparation of methyl esters
  • BS DD CEN ISO/TS 17764-2:2007 Animal feeding stuffs - Determination of the content of fatty acids - Gas chromatographic method
  • BS DD CEN ISO/TS 17764-1:2002 Animal feeding stuffs - Determination of the content of fatty acids - Preparation of methyl esters
  • DD CEN ISO/TS 17764-1:2006 Animal feeding stuffs. Determination of the content of fatty acids. Preparation of methyl esters
  • DD CEN ISO/TS 17764-2:2006 Animal feeding stuffs. Determination of the content of fatty acids. Gas chromatographic method
  • BS EN 1141:1995 Method for determination of proline content in fruit and vegetable juices: spectrometric method
  • BS ISO 4134:2021 Meat and meat products. Determination of L-(+)-glutamic acid content. Reference method
  • BS 4401-11:1995 Methods of test for meat and meat products. Determination of hydroxyproline content
  • DD ISO/TS 2963:2006 Cheese and processed cheese products. Determination of citric acid content. Enzymatic method
  • BS EN ISO 6744-4:2000 Binders for paints and varnishes. Alkyd resins. Determination of fatty acid content
  • BS EN ISO 6744-4:2004 Binders for paints and varnishes. Alkyd resins. Determination of fatty acid content
  • BS ISO 11023:2001 Liquorice extracts (Glycyrrhiza glabra L.) - Determination of glycyrrhizic acid content - Methods using high-performance liquid chromatography
  • BS EN 1137:1995 Method for determination of citric acid (citrate) content of fruit and vegetable juices: NADH spectrometric method
  • BS DD ISO/TS 2963:2006 Cheese and processed cheese products - Determination of citric acid content - Enzymatic method
  • BS 1715-2.4:1989 Analysis of soaps. Quantitative test methods - Method for determination of free fatty acids content
  • BS ISO 5518:2007 Fruits, vegetables and derived products - Determination of benzoic acid content - Spectrophotometric method
  • BS EN ISO 10693:2014 Soil quality. Determination of carbonate content. Volumetric method
  • BS 6782-16.4:2000 Binders for paints - Methods of test for alkyd resins - Determination of fatty acid content
  • BS EN 12742:1999 Fruit and vegetable juices - Determination of free amino acids content - Liquid chromatographic method
  • BS EN 1139:1995 Method for determination of D-isocitric acid content of fruit and vegetable juices - NADPH spectrometric method

RU-GOST R, acid content

  • GOST 5485-1950 Vegetable oils and natural fatty acids. Method for determination of mineral acids
  • GOST 26597-1989 Sunflower. Method for determination of acid number of oil using pH-meter
  • GOST 26180-1984 Fodder. Determination of ammonia nitrogen content and actual acidity
  • GOST R 51257-1999 Processed cheeses. Method for determination of citric acid content
  • GOST 34409-2018 Juice products. Determination of L-malic acid content by enzymatic method
  • GOST 34408-2018 Juice products. Determination of D-malic acid content by enzymatic method
  • GOST R 51239-1998 Fruit and vegetable juices. Determination of L-malic acid content
  • GOST 34410-2018 Juice products. Determination of D-isocitric acid content by enzymatic method
  • GOST 24445.2-1980 Phthalic anhydride for industrial use. Methods for the determination of phthalic acid
  • GOST 22985-1990 Liquefied hydrocarbon gases. Method for determination of hydrogen sulphide and mercaptan
  • GOST R 51198-1998 Meat and meat products. Method for determination of L-(+)-glytamic acid content
  • GOST 30669-2000 Products of fruits and vegetables processing. Gas chromatographic method for determination of benzoic acid content
  • GOST 30670-2000 Products of fruits and vegetables proccesing. Gas chromatographic method for determination of sorbic acid
  • GOST R 50207-1992 Meat and meat products. Determination of L (-)-hydroxyproline content
  • GOST R 51940-2002 Fruit and vegetable juices. Method for determination of D-malic acid content
  • GOST R ISO 14389-2016 Textiles. Determination of the phthalate content. Tetrahydrofuran method
  • GOST 32915-2014 Milk and milk products. Determination of fatty acid content by gas chromatography method
  • GOST 6707-1976 Lubricating greases. Method for determination of free alkalies and free organic acids
  • GOST R 50479-1993 Fruit and vegetable products. Method for determination of vitamin PP (niacin) content
  • GOST R 51428-1999 Fruit juices. Method for determination of tartaric acid content using high performance liquid chromatography
  • GOST R 57477-2017 Foodstuffs of processed poultry eggs. Determination of beta-hydroxibutyiric acid content by colorimetric method

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会, acid content

  • GB/T 34765-2017 Determination of mineral fulvic acids content
  • GB/T 34766-2017 Determination of total humic acid content from mineral source
  • GB/T 35106-2017 Determination of unbound humic acid content from mineral source
  • GB/T 35107-2017 Determination of soluble humic acid content for mineral humic acid fertilizers

ASD-STAN - Aerospace and Defence Industries Association of Europe - Standardization, acid content

  • PREN 4171-1994 Aerospace Series Determination of Phosphoric Acid Content

German Institute for Standardization, acid content

  • DIN 10756:1995 Analysis of honey - Determination of free acidity
  • DIN 10754:2002 Analysis of honey - Determination of proline content
  • DIN EN ISO 13903:2005 Animal feeding stuffs - Determination of amino acids content (ISO 13903:2005); German version EN ISO 13903:2005
  • DIN EN ISO 13904:2005 Animal feeding stuffs - Determination of tryptophan content (ISO 13904:2005); German version EN ISO 13904:2005
  • DIN EN ISO 13903:2005-09 Animal feeding stuffs - Determination of amino acids content (ISO 13903:2005); German version EN ISO 13903:2005
  • DIN EN ISO 13904:2016-06 Animal feeding stuffs - Determination of tryptophan content (ISO 13904:2016); German version EN ISO 13904:2016
  • DIN 10754:2023-04 Analysis of honey - Determination of proline content
  • DIN ISO 1802:1996 Rubber latex, natural, concentrate - Determination of boric acid content (ISO 1802:1992)
  • DIN 10325:2010-07 Milk and milk products - Determination of the citric acid content - Enzymatic method
  • DIN 10325:1986 Determination of the citric acid content of processed cheese; enzymic method
  • DIN EN 1141:1994-12 Fruit and vegetable juices - Spectrometric determination of proline content; German version EN 1141:1994
  • DIN 10325:2010 Milk and milk products - Determination of the citric acid content - Enzymatic method
  • DIN EN 12138:1997-12 Fruit and vegetable juices - Enzymatic determination of D-malic acid content - NAD spectrometric method; German version EN 12138:1997
  • DIN EN 1139:1994-12 Fruit and vegetable juices - Enzymatic determination of D-isocitric acid content - NADPH spectrometric method; German version EN 1139:1994
  • DIN 10767:1992 Analysis of coffee and coffee products; determination of chlorogenic acids content; HPLC method
  • DIN EN 12742:1999 Fruit and vegetable juices - Determination of the free amino acids content - Liquid chromatographic method; German version EN 12742:1999
  • DIN ISO/TS 17764-2:2007-01 Animal feeding stuffs - Determination of the content of fatty acids - Part 2: Gas chromatographic method (ISO/TS 17764-2:2002); German version CEN ISO/TS 17764-2:2006
  • DIN ISO/TS 17764-1:2007-01 Animal feeding stuffs - Determination of the content of fatty acids - Part 1: Preparation of methyl esters (ISO/TS 17764-1:2002); German version CEN ISO/TS 17764-1:2006
  • DIN EN ISO 10693:2014-06 Soil quality - Determination of carbonate content - Volumetric method (ISO 10693:1995); German version EN ISO 10693:2014
  • DIN 54282:1971 Testing of textiles; determination of content of acetic acid of acetate or triacetate fibres
  • DIN 10335:1987 Determination of L- and D-lactic acid (L- and D-lactat) content of milk and milk products; enzymatic method
  • DIN 10054:2015-05 Milk and milk products - Determination of L- and D-Lactic acid content (L- and D-Lactate) - Reflectometric method (screening method)

Professional Standard - Electricity, acid content

  • DL 422.2-1991 Determination of industrial hydrochloric acid content - Volumetric method

YU-JUS, acid content

  • JUS H.G8.067-1983 Reagents. Boric acid. Determination of boric acid content. Volumetric method
  • JUS E.B4.419-1990 Rape frith high erucic acid content. Specification
  • JUS E.K8.047-1995 Animal and vegetable oils - Determination of sorbic acid content
  • JUS H.G8.499-1991 Reagents. Formic acid. Determination of formic acid content. Volumetric method
  • JUS H.G8.505-1991 Reagents. Formic acid. Determination of acetic acid content. Volumetric method
  • JUS H.G8.506-1991 Reagents. Formic acid. Determination of oxalic acid. Turbidimetric method
  • JUS H.E8.021-1978 Analysis ofsoaps. Determinatkm of total fatty acids
  • JUS H.G8.320-1988 Reagents. (+)-Tartaric acid. Determination of tartaric aci? content. Volume.tric method
  • JUS H.G8.472-1991 Reacjents. Orthophosphpric acid. Determination of orthophosphoric acid content. Volumetric method
  • JUS H.B8.232-1988 Ethanol for industrial use. Determination of acid content (acetic acid). Voiumetric method
  • JUS G.C1.062-1984 Raw styrene-butadiene rubber (SBR). Determination of organic acid content
  • JUS H.G8.350-1989 Reagents. Acetone. Determination of free acid content (as CH_C00H). Volumetric method
  • JUS H.G8.479-1991 Reagents. Orthophosphoric acid. Determination of volatile acids content (as CH COOH). Volumetric method

Japanese Industrial Standards Committee (JISC), acid content

  • JIS K 6237:2001 Rubber, raw styrene-butadiene -- Determination of soap and organic-acid content
  • JIS G 1314-5:2011 Method for chemical analysis of silicomanganese.Part 5: Determination of sulfur content

Professional Standard - Petrochemical Industry, acid content

  • SH/T 1499.2-1997 Pure adipic acid.Determination of content.Titrimetric method
  • SH/T 1498.4-1997 Nylon 66 salt.Determination content of pseudo nitric acid
  • SH/T 1499.7-1997 Pure adipic acid.Determination of content of nitric acid.Spectrophotometric method
  • SH/T 1499.7-2012 Pure adipic acid.Part 7:Determination of content of nitric acid.Spectrophotometric method

European Association of Aerospace Industries, acid content

Professional Standard - Building Materials, acid content

  • JC/T 2061-2011 Test method for free acid content of activated bentonite

Group Standards of the People's Republic of China, acid content

  • T/SHRH 025-2019 Determination of ferulic acid in cosmetics
  • T/CI 084-2023 Determination and classification of linoleic acid in safflower seed oil
  • T/GDPA 14-2021 Determination of content and impurity of Tauroursodeoxycholic acid
  • T/NAIA 028-2021 Determination of water-soluble humic acid content in organic fertilizers - volumetric method
  • T/CI 003-2022 Index and determination method of phytic acid content in low phytic acid wheat variety
  • T/CHBAS 14-2021 Determination of amino acids content in milk powder High performance liquid chromatography
  • T/CNTAC 119-2022 Textiles—Determination of hydroxyproline—High performance liquid chromatography method
  • T/NAIA 068-2021 Determination of oleanolic acid in quinoa by High performance Liquid chromatography
  • T/NAIA 002-2020 Determination of Lactic Acid Content in Fermented Feed by High Performance Liquid Chromatography
  • T/GXAF 0010-2023 Spectrophotometric method for the determination of free amino acid content in water-soluble fertilizers
  • T/SAASS 12-2021 Determination of Short Chain Fatty Acid Content in Pig Intestinal Contents by Gas Chromatography
  • T/HZBX 035-2021 Determination method for toxoflavin and bongkrekic acid - High performance liquid chromatography

GOSTR, acid content

  • GOST 34411-2018 Juice products. Determination of acetic acid content by enzymatic method
  • GOST R 57572-2017 Hardeners and accelerators for epoxide resins. Determination of free acid content in acid anhydride

Danish Standards Foundation, acid content

  • DS/EN ISO 13904:2005 Animal feeding stuffs – Determination of tryptophan content
  • DS/EN ISO 13903:2005 Animal feeding stuffs – Determination of amino acids content
  • DS/EN 1141:1995 Fruit and vegetable juices - Spectrometric determination of proline content
  • DS/EN 1139:1995 Fruit and vegetable juices - Enzymatic determination of D-isocitric acid content - NADPH spectrometric method
  • DS/EN 12742:1999 Fruit and vegetable juices - Determination of the free amino acids content - Liquid chromatographic method
  • DS/EN 12138:1998 Fruit and vegetable juices - Enzymatic determination of D-malic acid content - NAD spectrometric method
  • DS/CEN ISO/TS 17764-1:2007 Animal feeding stuffs - Determination of the content of fatty acids - Part 1: Preparation of methyl esters
  • DS/CEN ISO/TS 17764-2:2007 Animal feeding stuffs - Determination of the content of fatty acids - Part 2: Gas chromatographic method

Professional Standard - Light Industry, acid content

ES-UNE, acid content

  • UNE-EN ISO 13904:2016 Animal feeding stuffs - Determination of tryptophan content (ISO 13904:2016)
  • UNE-EN 1141:1995 FRUIT AND VEGETABLE JUICES. SPECTROMETRIC DETERMINATION OF PROLINE CONTENT.
  • UNE-EN ISO 10693:2014 Soil quality - Determination of carbonate content - Volumetric method (ISO 10693:1995) (Endorsed by AENOR in May of 2014.)
  • UNE 103200:2021 Determination of the carbonate content of a soil

农业农村部, acid content

  • NY/T 3174-2017 Determination of alginic acid content in water-soluble fertilizers
  • NY/T 3039-2016 Determination of polyglutamic acid content in water-soluble fertilizers
  • NY/T 3941-2021 Determination of phytic acid content in grains by high performance liquid chromatography
  • NY/T 3566-2020 Determination of fatty acid content in food crops by gas chromatography
  • NY/T 3290-2018 Determination of phenolic acid content in fruits, vegetables and their products using liquid mass spectrometry

Sichuan Provincial Standard of the People's Republic of China, acid content

  • DB51/T 842-2008 Determination of Humic Acid Content in Fertilizers - Potassium Dichromate

ET-QSAE, acid content

CEN - European Committee for Standardization, acid content

IL-SII, acid content

  • S.I.563-1965 DETERMINATION OF PHOSPHATASE IN COWS1 MILK (SCHARER'S RAPID METHOD)

Professional Standard - Textile, acid content

Liaoning Provincial Standard of the People's Republic of China, acid content

American Society for Testing and Materials (ASTM), acid content

  • ASTM E1584-23 Standard Test Method for Assay of Nitric Acid
  • ASTM D1469-00 Standard Test Method for Total Rosin Acids Content of Coating Vehicles
  • ASTM D1469-93 Standard Test Method for Total Rosin Acids Content of Coating Vehicles
  • ASTM D4094-00 Standard Test Method for Acid Content of Ethylene-Acrylic Acid Copolymers
  • ASTM D4094-07 Standard Test Method for Acid Content of Ethylene-Acrylic Acid Copolymers

BE-NBN, acid content

  • NBN T 04-018-1985 Acetic acid for industrial use - Determination of formic acid content- Iodometric method
  • NBN T 03-341-1981 Boric acid for industrial use- Determination of boric acid content-Volujnetric method
  • NBN T 04-017-1983 Acetic acid for industrial use - Determination of acetic acid content-Titri-metric method
  • NBN T 04-003-1983 Formic acid for industrial use - Determination of content of other acids-Potentiometric method
  • NBN T 03-526-1983 Sodium hexafluorosi1icate for industrial use - Determination of free acidity and total hexafluorosilicate content - Titrimetric method
  • NBN T 03-124-1980 Sodium hydroxide for industrial use - Determination of sulphate content - Barium sulphate gravimetrie method
  • NBN T 03-512-1983 Anhydrous hydrogen fluoride for industrial use - Determination of non-volatile acid content - Titrimetric method
  • NBN T 04-006-1983 Formic acid for industrial use - Determination of iron content- 2,2'Bipyridyl photometric method
  • NBN B 11-254-1975

TR-TSE, acid content

  • TS 1820-1975 BORIC ACID FOR INDUSTRIAL USE - DETERMINATION OF BORIC ACID CONTENT - VOLUMETRIC METHOD
  • TS 3485-1980 RAW STYKENE — BUTADIENE RUBBER — DETE MINATION OF ORGANIC ACID CONTENT.
  • TS 1930-1975 ANHYDROUS HYDROGEN FLUORIDE FOR INDUSTRIAL USE DETERMINATION OF NON — VOLATILE ACID CONTENT TITRIMETRIC METHOD
  • TS 3042-1978 CHEESE AND PROCESSED CHEESE PRODUCTS - DETERMINATION OF CITRIC ACID CONTENT (REFERENCE METHOD)
  • TS 993-1971 SODIUM HYDROXIDE AND POTASSIUM HYDROXIDE FOR INDUSTRIAL USE DETERMINATION OF SULPHATE CONTENT (BARIUM SULPHATE GRAVIMETRIC METHOD

Xinjiang Provincial Standard of the People's Republic of China, acid content

  • DB65/T 4511-2022 Standards for quality evaluation of garlic with high alliin content

Professional Standard - Commodity Inspection, acid content

  • SN/T 1511.1-2005 Inspection of lactic acid in fruit juice for import and export
  • SN/T 4060-2014 Determination of seleniate and selenite in export health care products
  • SN/T 1548-2005 Inspection of benzoic acid and sorbic acid in preserved beancurd for import and export
  • SN/T 1018-2001 Method for the determination of ethylenediaminetetra-acetic acid content in canned food for export
  • SN/T 1732.13-2013 Pyrotechnic composition used for fireworks and firecracker.Part 13:Determination of boric acid content
  • SN/T 3870-2014 Determination of monochloroacetic acid in drinks and alcoholic beverages for export.GC method

Guangdong Provincial Standard of the People's Republic of China, acid content

Professional Standard - Chemical Industry, acid content

  • HG/T 3614-1999 Standard Test Method for Sulfonic and Sulfuric Acids in Alkylbenzene Sulfonic Acids
  • HG/T 2221-1991 Volumetric method for determination of free acid content in double superphosphate
  • HG 2221-1991 Volumetric method for determination of free acid content in double superphosphate
  • HG/T 4542-2013 Circulating cooling water.Determination of polyepoxysuecinic acid
  • HG/T 4075-2008 Phosphorus trichloride for industrial use.Determination of phosphoric acid content-spectrometric method

工业和信息化部, acid content

  • HG/T 5937-2021 Rapid determination method for humic acid and fulvic acid content
  • QB/T 5088-2017 Determination of free fatty acid content of fatliquors for tanning
  • HG/T 5603-2019 Method for determination of biological humic acid content in fertilizers produced from food waste

European Committee for Standardization (CEN), acid content

  • EN ISO 13903:2005 Animal feeding stuffs - Determination of amino acids content
  • EN ISO 13904:2016 Animal feeding stuffs - Determination of tryptophan content
  • EN ISO 1597:1999 Plastics - Unplasticized Cellulose Acetate - Determination of Acetic Acid Yield ISO 1597: 1994
  • EN 1141:1994 Fruit and vegetable juices - Spectrometric determination of proline content
  • EN ISO/TS 17764-2:2006 Animal feeding stuffs - Determination of the content of fatty acids - Part 2: Gas chromatographic method
  • EN ISO/TS 17764-1:2006 Animal feeding stuffs - Determination of the content of fatty acids - Part 1: Preparation of methyl esters
  • CEN ISO/TS 17764-1:2006 Animal feeding stuffs - Determination of the content of fatty acids - Part 1: Preparation of methyl esters
  • CEN ISO/TS 17764-2:2006 Animal feeding stuffs - Determination of the content of fatty acids - Part 2: Gas chromatographic method
  • EN 12742:1999 Fruit and vegetable juices - Determination of the free amino acids content - Liquid chromatographic method
  • EN 12138:1997 Fruit and vegetable juices - Enzymatic determination of D-malic acid content - NAD spectrometric method

Lithuanian Standards Office , acid content

  • LST EN ISO 13903:2005 Animal feeding stuffs - Determination of amino acids content (ISO 13903:2005)
  • LST EN ISO 13904:2005 Animal feeding stuffs - Determination of tryptophan content (ISO 13904:2005)
  • LST EN 1141-2000 Fruit and vegetable juices - Spectrometric determination of proline content
  • LST ISO 6560:2003 Fruit and vegetable products. Determination of benzoic acid content (benzoic acid contents greater than 200 mg per litre or per kilogram). Molecular absorption spectrometric method (idt ISO 6560:1983)
  • LST ISO 3496:2001 Meat and meat products. Determination of hydroxyproline content (identical ISO 3496:1994)
  • LST EN 1139-1999 Fruit and vegetable juices - Enzymatic determination of D-isocitric acid content - NADPH spectrometric method
  • LST EN 12742-2000 Fruit and vegetable juices - Determination of the free amino acids content - Liquid chromatographic method
  • LST ISO 5519:2008 Fruits, vegetables and derived products - Determination of sorbic acid content (ISO 5519:2008, identical)
  • LST EN 12138-2000 Fruit and vegetable juices - Enzymatic determination of D-malic acid content - NAD spectrometric method

Canadian General Standards Board (CGSB), acid content

Yunnan Provincial Standard of the People's Republic of China, acid content

  • DB53/T 918-2019 Determination of sulfuric acid content in ferric zinc sulfate solution by acid-base titration

Standard Association of Australia (SAA), acid content

  • AS 1289.4.2.1:1997 Methods of testing soils for engineering purposes - Soil chemical tests - Determination of the sulfate content of a natural soil and the sulfate content of the groundwater - Normal method

International Dairy Federation (IDF), acid content

  • IDF 139-2008 Milk and milk products - Determination of the benzoic and sorbic acid contents
  • IDF/RM 34-2006 Cheese and processed cheese products - Determination of citric acid content - Enzymatic method

Jilin Provincial Standard of the People's Republic of China, acid content

  • DB22/T 1690-2012 Determination of Humic Acid Content in Humic Acid Compound Fertilizer
  • DB22/T 2105-2018 Determination of Polylactic Acid Content in Polylactic Acid Products by Ion Chromatography
  • DB22/T 2105-2014 Determination of Polylactic Acid Content in Polylactic Acid Products by Ion Chromatography
  • DB22/T 2864-2018 Volumetric method for the determination of alginic acid content in compound fertilizers (compound fertilizers)

未注明发布机构, acid content

  • BS ISO 9231:2008(2012) Milk and milk products — Determination of the benzoic and sorbic acid contents
  • BS EN 1141:1995(2000) Method for Determination of proline content of fruit and vegetable juices : Spectrometric method

AT-ON, acid content

  • ONORM DIN 10325-1993 Determination of the citric acid content of processed cheese - Enzymic method
  • ONORM S 1882-1983 Testing of textiles; determination of content of acetic acid of acetate or triacetate fibres

Taiwan Provincial Standard of the People's Republic of China, acid content

  • CNS 12956-2007 Method of test for milk and milk products - Determination of citric acid content in edible cheese
  • CNS 6609-2008 Method of test for meat and meat products - Determination of L-(+)-glutamic acid content
  • CNS 12956-1992 Method of Test for Milk and Milk Products:Determination of Citric Acid Content of Edible Cheese
  • CNS 6608-2008 Method of test for meat and meat products - Determination of L- hydroxyproline content

PK-PSQCA, acid content

  • PS 1554-1982 PAKISTAN STANDARD METHOD FOR THE DETERMI-NATION OF ACID CONTENT IN WOOL

CU-NC, acid content

  • NC 24-32-1984 Inorganic Chemical Products Table Salt. Determlnation of the Content of Sulphates

Guangxi Provincial Standard of the People's Republic of China, acid content

  • DB45/T 1453-2016 Determination of Oleic Acid Content in Leech Broadbodied by Gas Chromatography
  • DB45/T 1455-2016 Determination of Amino Acid Content in Leech Broadbodied by High Performance Liquid Chromatography

Jiangsu Provincial Standard of the People's Republic of China, acid content

  • DB32/T 1879-2011 Determination of Ellagic Acid Content in Blackberry by High Performance Liquid Chromatography

FI-SFS, acid content

Professional Standard - Petroleum, acid content

  • SY/T 5814-2008 Determination of the content of humic acid in drilling fluids additives containing the same
  • SY/T 6299-1997 Core carbonate content analyser

Fujian Provincial Standard of the People's Republic of China, acid content

  • DB35/T 1868-2019 Determination of perfluorooctanoic acid content in plastic products by gas chromatography

IN-BIS, acid content

BELST, acid content

  • STB GOST R 51428-2006 Fruit juices. Method for determination of tartaric acid content using high performance liquid chromatography

国家质量监督检验检疫总局, acid content

  • SN/T 4518-2016 Determination of rosin acid content in paper and paper products by high performance liquid chromatography




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