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Method for Determination of Vitamin C Content

Method for Determination of Vitamin C Content, Total:497 items.

In the international standard classification, Method for Determination of Vitamin C Content involves: Pharmaceutics, Food products in general, Meat, meat products and other animal produce, Animal feeding stuffs, Processes in the food industry, General methods of tests and analysis for food products, Fruits. Vegetables, Edible oils and fats. Oilseeds, Milk and milk products, Pulps, Textile fibres, Products of the chemical industry, Fertilizers, Materials for the reinforcement of composites, Farming and forestry, Cereals, pulses and derived products, Fuels, Energy and heat transfer engineering in general, Tea. Coffee. Cocoa, Analytical chemistry, Water quality, Organic chemicals, Products of the textile industry, Beverages, Conducting materials, Paper production processes, Metalliferous minerals, Reinforced plastics, Construction materials, Welding, brazing and soldering, Paper and board, Non-ferrous metals, Environmental protection, Raw materials for rubber and plastics, Paints and varnishes, Ferrous metals, Paint ingredients, Testing of metals, Wastes, Nuclear energy engineering, Soil quality. Pedology, Laboratory medicine, Materials for aerospace construction.

RU-GOST R, Method for Determination of Vitamin C Content

GOST 7047-1955 Vitamins A, C, D, B, B2 and PP. Sampling, methods for determination of vitamins and quality test of vitamin preparations
GOST R EN 14130-2010 Foodstuffs. Determination of vitamin C by HPLC
GOST 30417-1996 Vegetable oils. Methods for determination of vitamin A and vitamin E mass fractions
GOST 30627.6-1998 Infant milk products. Methods for determination of mass part of vitamin B2 (Riboflavini)
GOST 30627.1-1998 Infant milk products. Method for determination of mass part of vitamin A (Retinoli)
GOST 30627.5-1998 Infant milk products. Method for determination of mass part of vitamin B1 (thiamini)
GOST 30627.3-1998 Infant milk products. Method for determination of mass part of vitamin E (Tocopheroli)
GOST 30627.4-1998 Infant milk products. Method for determination of mass part of vitamin PP (Nicotinamidum)
GOST R 50479-1993 Fruit and vegetable products. Method for determination of vitamin PP (niacin) content
GOST 30627.2-1998 Infant milk products. Methods for determination of mass part of vitamin C (Acidum ascorbinium)
GOST 29113-1991 Mixed fooders, feeds protein and vitamin supplements, carbamide concentrate. Methods of determining carbamide mass portion
GOST R 54949-2012 Animal feeding stuffs. Determination of vitamin E content by high-performance liquid chromatography method
GOST R 54950-2012 Animal feeding stuffs. Determination of vitamin A content by high performance liquid chromatography method
GOST R 54949-2012(2020) Animal feeding stuffs. Determination of vitamin E content by high-performance liquid chromatography method
GOST R 50259-1992 Premixes. Methods for determination of vitamin A
GOST 18634-1973 Pulp. Method for determination of trace copper and iron
GOST 31486-2012 Premixes. Method for determination of vitamin K3
GOST 26573.1-1993 Premixes. Methods for determination of vitamin A
GOST R 53027-2008 Premixes. Method for determination of vitamin K3
GOST 14839.6-1969 Industrial explosives. Method for determination of nitrate carboxymethyl cellulose content
GOST R ISO 10548-2012 Carbon fibre. Methods for determination of size content
GOST 29139-1991 Wheat vitaminized flour, bread and baked products. Method for vitamin B2 (rhyboflavin) determination
GOST 29138-1991 Wheat vitaminized flour, bread and baked products. Method for vitamin B1 (tiamin) determination
GOST EN 12821-2014 Foodstuffs. Determination of cholecalciferol (vitamin D3) and ergocalciferol (vitamin D2) content by high performance liquid chromatography
GOST R 54635-2011 Functional food products. Method of vitamin A determination
GOST 32042-2012 Premixes. Methods for determination of vitamin B complex
GOST 32043-2012 Premixes. Methods for determination of vitamin A, D, E
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 ISO 15598-2013 Tea. Method for determination of crude fiber content
GOST 29215-1991 Pulps. Method for the determination of chlorine consumption (degree of delignification)
GOST 29140-1991 Wheat vitaminized flour, bread and baked products. Method for vitamin PP (nicotinic acid) determination
GOST R 55282-2012 Raw milk. The colorimetric method of urea content determination
GOST R 52962-2008 Water. Methods for determination of chromium (VI) and total chromium
GOST R 53193-2008 Alcoholic and non-alcoholic drinks and beverages. Determination of caffeine, ascorbic acid and its salts, preservatives and sweeteners using capillary electrophoresis method
GOST R 53862-2010 Mixed feeds, protein-vitamin-mineral concentrates. Method for determination of the oxiacids
GOST EN 12822-2014 Foodstuffs. Determination of vitamin E (alpha-, beta-, gamma- and delta-tocopherols) content by high performance liquid chromatography
GOST 11960-1979 Fibre semi-products and raw materials of annuals for pulp and paper industry. Method for determination of content of lignin
GOST R 52147-2003 Protein-vitamin-mineral and amide-vitamin-mineral additives. Methods for the determination of retinol-acetat (vitamin A), argokalciferol (holekalciferol) (vitamin D), tokoferol-acetate (vitamin E)
GOST 31672-2012 Foodstuffs. Method of electron paramagnetic resonance for detection of radiation-treated food containing cellulose
GOST 8660-1980 Nitrocellulose powders. Determination methods for mass portion
GOST 32307-2013 Meat and meat products. Determination of fat-soluble vitamins by high performance liquid chromatography
GOST R 55482-2013 Meat and meat products. Method for determination of water-soluble vitamins
GOST 31483-2012 Premixes. Determination of vitamins: B1 (thiaminchloride), B2 (riboflavin), B3 (pantothenic acid), B5 (nicotinic acid and nicotinamide), B6 (pyridoxine), Bc (folic acid), C (ascorbic acid) content by method of capillary electrophoresis
GOST 14363.5-1971 Rayon pulp. Method for determination of short fibre content
GOST ISO 6865-2015 Animal feeding stuffs. Method for determination of crude fibre content
GOST R 55119-2012 Solid recovered fuels. Methods for the determination of biomass content
GOST R 51443-1999 Fruit and vegetable juices. Method for determination of total carotinoid content and content of individual carotinoid fractions
GOST 32916-2014 Milk and milk products. Determination of vitamin D mass fraction by high performance liquid chromatography method
GOST 30711-2001 Food-stuffs. Methods for detection and determination of aflatoxins B1 and M1 content
GOST EN 12823-2-2014 Foodstuffs. Determination of vitamin A by high performance liquid chromatography. Part 2. Measurement of β-carotene
GOST R 55129-2012 Solid recovered fuels-14C-based methods for the determination of the biomass content
GOST R 52839-2007 Feeds. Methods for determination of crude fibre content with intermediate filtration
GOST 9597-1976 Cellulose. Method for determining of total mass of substances in sodium tydroxide solutions of 10 % and 18 %
GOST 33601-2015 Milk and milk products. Express method for determination of the aflatoxin M1 content
GOST ISO 13493-2014 Meat and meat products. Method for determination of chloramphenicol (levomycetin) content using liquid chromatography
GOST 31675-2012 Feeds. Methods for determination of crude fibre content with intermediate filtration
GOST R 52741-2007 Premixes. Determination of vitamins: B1 (thiaminchloride), B2 (riboflavin), B3 (pantothenic acid), B5 (nicotinic acid and nicotinamide), B6 (pyridoxine), Bc (folic acid), C (ascorbic acid) content by method of capillary electrophoresis
GOST 21119.2-1975 General methods of test for pigments and extenders. Determination of soluble in water matters mass fraction
GOST 21119.1-1975 General methods of test for pigments and extenders. Determination of water and volatile matters mass fraction
GOST 32975.2-2014 Solid biofuels. Determination of moisture content. Oven dry method. Part 2. Total moisture. Simplified method

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Method for Determination of Vitamin C Content

GB/T 9695.29-2008 Meat products.Determination of vitamin C content
GB/T 9695.29-1991 Meat products--Method for determination of vitamin C content
GB/T 6195-1986 Determination of vitamin C in vegetables and fruits(2,6-dechloro-indophenol titration method)
GB 6195-1986 Determination of vitamin C content in fruits and vegetables (2,6-dichloroindophenol titration method)
GB/T 5413.18-1997 Milk powder and formula foods for infant and young children--Determination of vitamin C content
GB/T 12390-1990 Method for determination of thiamine (vitamin B1) in foods
GB/T 2441.1-2001 Determination of urea-Determination of total nitrogen content
GB/T 2441.6-2001 Determination of urea Determination of water insolution matter content Weight method
GB/T 1429-2009 Carbon materials.Determination of the ash content
GB/T 2441.2-2001 Determination of urea Determination of biuret content Spectrophotometric method
GB/T 2441.8-2001 Determination of urea Determination of sulphate content Visible turbidimetric method
GB/T 30926-2014 Determination of 7 kinds of vitamin C derivatives in Cosmetics.High performance liquid chromatography-tandem Mass spectrometry
GB/T 2441.1-2008 Determination of urea.Part 1:Total nitrogen content
GB/T 2441.4-2001 Determination of urea Determination of iron content 1,10-Phenanthroline spectrophotometric method
GB/T 2441.9-2001 Determination of Urea-Determination of methylenediurea content-Spectrophotometric method
GB/T 2441.6-2010 Determination of urea-Part 6:Water insoluble matter content-Weight method
GB/T 2602-2002 Method for the urea determination of m--Cresol content of phenol products
GB/T 2441.2-2010 Determination of urea-Part2: Biuret content-Spectrophotomatric method
GB/T 2441.8-2010 Determination of urea-Part 8: Sulphate content-Visible turbidimetric method
GB/T 26310.2-2010 Carbonaceous materials for use in the production of aluminium.Calcined coke.Part 2: Determination of trace elements content.Flame atomic absorption spectroscopy
GB/T 42490-2023 Soil quality Determination of organic carbon content and carbon isotope ratio, total nitrogen content and nitrogen isotope ratio in soil and biological samples Stable isotope ratio mass spectrometry
GB/T 2441.9-2010 Determination of urea-Part 9:Methylenediurea content-Spectrophotometric method
GB/T 2441.4-2010 Determination of urea-Part 4:Iron content-1,10-Phenanthroline spectrophotometric method

CZ-CSN, Method for Determination of Vitamin C Content

CSN 46 7092-92-1998 Testing methods for feeding stuffs - Part 92: Determination of vitamine C content
CSN 46 7092-93-1998 Testing methods for feeding stuffs - Part 93: Determination of vitamine K3 content
CSN 46 7092-89-1998 Testing methods for feeding stuffs - Part 89: Determination of vitamine B12 content
CSN 46 7092-76-1998 Testing methods for feeding stuffs - Part 76: Determination of vitamine A content
CSN 46 7092-90-1998 Testing methods for feeding stuffs - Part 90: Determination of vitamine B2 content
CSN 46 7092-78-1998 Testing methods for feeding stuffs - Part 78: Determination of vitamine E content
CSN 46 7092-91-1998 Testing methods for feeding stuffs - Part 91: Determination of vitamine B6 content
CSN 46 7092-95-1998 Testing methods for feeding stuffs - Part 95: Simultaneous determination of amprolium and cholin content
CSN 46 7092-62-1998 Testing methods for feeding stuffs - Part 62: Determination of avilamycin content
CSN 46 7092-77-1998 Testing methods for feeding stuffs - Part 77: Determination of virginiamycin content
CSN 46 7092-6-1998 Testing methods for feeding stuffs - Part 6: Determination of ure acontent
CSN 46 7092-98-1998 Testing methods for feeding stuffs - Part 98: Determination of flavomycin content
CSN 46 7092-75-1998 Testing methods for feeding stuffs - Part 75: Detemination of salinomycin content
CSN 46 7092-83-1998 Testing methods for feeding stuffs - Part 83: Determination of avoparcine content
CSN 46 7092-68-1998 Testing methods for feeding stuffs - Part 68: Determination of maduramicin content
CSN 46 7092-69-1998 Testing methods for feeding stuffs - Part 69: Determination of monensine content
CSN 46 7092-97-1998 Testing methods for feeding stuffs - Part 97: Determination of tylosin content
CSN 46 7092-70-1998 Testing methods for feeding stuffs - Part 70: Determination of narasine content
CSN 46 7092-20-1998 Testing methods for feeding stuffs - Part 20: Determination of crude fibre content

BELST, Method for Determination of Vitamin C Content

STB 1784-2010 Premixes. Methods оf determination of mass share of the vitamin C
STB GOST R 51443-2006 Fruit and vegetable juices. Method for determination of fotal carotinoid content and content of individual carotinoid fractions

Group Standards of the People's Republic of China, Method for Determination of Vitamin C Content

T/CI 037-2021 The Concentration of Vitamin C in Enhanced VC Wheat Flour and the Method of Determination
T/CNFIA 142-2022 Determination method of stable carbon isotope ratio (13C/12C) of ascorbic acid in vitamin C products
T/SPSTS 013-2019 Determination of the carbon, hydrogen, oxygen, nitrogen, and sulfur content of graphene powder materials— Elemental analyzer method
T/CSTM 00340-2020 Determination of the carbon, hydrogen, oxygen, nitrogen, and sulfur content of graphene powder materials— Elemental analyzer method

British Standards Institution (BSI), Method for Determination of Vitamin C Content

BS EN 14130:2003 Foodstuffs - Determination of vitamin C by HPLC
BS EN 12821:2009 Foodstuffs - Determination of vitamin D by high performance liquid chromatography - Measurement of cholecalciferol (D3) or ergocalciferol (D2)
BS EN ISO 6867:2001 Animal feeding stuffs. Determination of vitamin E content. Method using high-performance liquid chromatography
BS EN ISO 14565:2001 Animal feeding stuffs. Determination of vitamin A content. Method using high-performance liquid chromatography
BS EN 14122:2014 Foodstuffs. Determination of vitamin B1 by high performance liquid chromatography
BS EN 14122:2003 Foodstuffs - Determination of vitamin B1 by HPLC
BS ISO 14892:2005 Dried skimmed milk - Determination of vitamin D content using high-performance liquid chromatography
BS 5766-24:2001 Determination of vitamin E content in animal feed-high performance liquid chromatography
BS 5766-26:2001 Determination of vitamin A content in animal feed-high performance liquid chromatography
BS ISO 14892:2002 Dried skimmed milk. Determination of vitamin D content using high-performance liquid chromatography
BS 6049-9:1999 Methods of test for tea. Determination of crude fibre content
BS 5766-14:1991 Methods for analysis of animal feeding stuffs. Determination of urea content
BS 6215-1:1981 Methods of test for agricultural food products. Determination of crude fibre content (general method)
BS EN 12823-2:2000 Foodstuffs - Determination of vitamin A by high performance liquid chromatography - Measurement of -carotene
BS EN 12823-1:2014 Foodstuffs. Determination of vitamin A by high performance liquid chromatography. Measurement of all-E-retinol and 13-Z-retinol
BS EN ISO 9936:2006 Animal and vegetable fats and oils - Determination of tocopherol and tocotrienol contents by high-performance liquid chromatography
BS 3762 Sec.3.15:1985 Analysis of formulated detergents. Quantitative test methods. Method for estimation of carboxymethylcellulose content
BS 6215-2:1981 Methods of test for agricultural food products. Determination of crude fibre content (modified Scharrer method)
BS EN 15440:2011 Solid recovered fuels. Methods for the determination of biomass content
BS EN ISO 21644:2021 Solid recovered fuels. Methods for the determination of biomass content
DD CEN/TS 15407:2006 Solid recovered fuels — Method for the determination of carbon (C), hydrogen (H) and nitrogen (N) content
BS ISO 2144:2019 Tracked Changes. Paper, board, pulps and cellulose nanomaterials. Determination of residue (ash content) on ignition at 900 °C
BS 2610:1978 Method of test for the determination of the cuprammonium fluidity of cotton and certain cellulosic man-made fibres
BS DD CEN/TS 14775:2004 Solid biofuels - Method for the determination of ash content
BS DD CEN/TS 15403:2006 Solid recovered fuels - Methods for the determination of ash content
DD CEN/TS 14775:2004 Solid biofuels - Method for the determination of ash content
BS DD CEN/TS 14774-1:2004 Solid biofuels - Methods for the determination of moisture content - Oven dry method - Total moisture - Reference method
BS DD CEN/TS 14774-2:2004 Solid biofuels - Methods for the determination of moisture content - Oven dry method - Total moisture - Simplified method
BS EN 17547:2021 Animal feeding stuffs: Methods of sampling and analysis. Determination of vitamin A, E and D content. Method using solid phase extraction (SPE) clean-up and highperformance liquid chromatography (HPLC)
BS EN IEC 60754-3:2019 Test on gases evolved during combustion of materials from cables - Measurement of low level of halogen content by ion chromatography
20/30396933 DC BS EN 17547. Animal feeding stuffs: Methods of sampling and analysis. Determination of vitamin A, E and D content. Method using solid phase extraction clean-up and High Performance Liquid Chromatography
BS ISO 20635:2018 Infant formula and adult nutritionals. Determination of vitamin C by (ultra) high performance liquid chromatography with ultraviolet detection ((U)HPLC-UV)
BS DD CEN/TS 15148:2005 Solid biofuels — Method for the determination of the content of volatile matter
BS DD CEN/TS 15402:2006 Solid recovered fuels - Methods for the determination of the content of volatile matter
BS DD CEN/TS 15148:2006 Solid biofuels - Method for the determination of the content of volatile matter
BS PD CEN/TR 16721:2014 Bio-based products. Overview of methods to determine the bio-based content
BS ISO 14183:2006 Animal feeding stuffs - Determination of monensin, narasin and salinomycin contents - Liquid chromatographic method using post-column derivatization
BS EN ISO 14183:2006 Animal feeding stuffs. Determination of monensin, narasin and salinomycin contents. Liquid chromatographic method using post-column derivatization
BS EN ISO 14183:2008 Animal feeding stuffs - Determination of monensin, narasin and salinomycin contents - Liquid chromatographic method using post-column derivatization
BS DD CEN/TS 15410:2006 Solid recovered fuels - Method for the determination of the content of major elements (Al, Ca, Fe, K, Mg, Na, P, Si, Ti)
BS 6394-2:1985 Trace elements in milk and milk products - Method for the determination of iron content (reference method)
BS 5766-23:2001 Methods for analysis of animal feeding stuffs. Determination of crude fibre content. Method with intermediate filtration
19/30401664 DC BS ISO 22863-10. Fireworks. Test methods for determination of specific chemical substances. Part 10. Nitrogen content in nitrocellulose by Iron(II) sulfate titration
BS EN 12822:2014 Foodstuffs. Determination of vitamin E by high performance liquid chromatography. Measurement of -, $Gb-, - and $Gd-tocopherol
BS EN 12822:2000 Foodstuffs - Determination of vitamin E by high performance liquid chromatography - Measurement of -, -, - and -tocopherols
BS PD CEN/TR 15591:2007 Solid recovered fuels. Determination of the biomass content based on the ＜up 14＞C method
20/30366875 DC BS EN ISO 21644. Solid recovered fuels. Methods for the determination of biomass content
20/30401652 DC BS ISO 13493. Meat and meat products. Determination of chloramphenicol content. Reference method
BS EN 2331:1993 Textile glass fibre preimpregnates - Test method for the determination of the resin and fibre content and mass of fibre per unit area
BS EN ISO 638-2:2022 Tracked Changes. Paper, board, pulps and cellulosic nanomaterials. Determination of dry matter content by oven-drying method. Suspensions of cellulosic nanomaterials
BS ISO 13493:2021 Tracked Changes. Meat and meat products. Determination of chloramphenicol content. Reference method

PT-IPQ, Method for Determination of Vitamin C Content

NP 2278-1988 Alcoholic beverages and spirits Determination of total ascorbic acid content
NP 4134-1991 Animal feeding stuffs Determination of menadione (vitamin K3) content. spectrometric method
NP 3030-1985
NP 3652-1991 Animal feeding stuffs Determination of vitamin B1 content. Fluorimetric method

Professional Standard - Commodity Inspection, Method for Determination of Vitamin C Content

SN/T 0869-2000 Method for the determination of vitamin C in beverages for import and export
SN/T 4258-2015 Determination of water-soluble vitamins in foods for export
SN/T 0866-2000 Method for the determination of vitamin B&sub2; in meat and meat product for import and export
SN/T 0472-1995 Determination method of abnormal fibre content for importand export polyester and acrylic staple fibre
SN/T 0472-2010 Testing method of abnormal fiber content for import and export polyester and acrylic staple fiber
SN/T 3005-2011 Test method for instrumental determination of carbon,hydrogen,nitrogen and sulfur in organic chemicals
SN/T 1113-2002 Determination method of phycocyanin and chlorophyll content in spirulina powder for import and export

GOSTR, Method for Determination of Vitamin C Content

GOST 30417-2018 Vegetable oils. Methods for determination of A and E vitamins content
GOST 34253-2017 Beekeeping products. Method for determination of vitamin A
GOST R 57966-2017 Fiberglass. Method for determination of zirconium content
GOST 34258-2017 Veterinary preparation, feed additive. Method for determination of water-soluble vitamins content by high performance liquid chromatography with spectrophotometric detection

Taiwan Provincial Standard of the People's Republic of China, Method for Determination of Vitamin C Content

CNS 8859-1990 Method of Test for Determining of Vitamin A Content for Foodstuff
CNS 12724-1990 Method of Test for Determining of Vitamin E Content for Foodstuff
CNS 12725-1990 Method of Test for Determining of Vitamin A Content for Infant Formula
CNS 12723-1990 Method of Test for Determining of Vitamin E Content for Infant Formula

Association Francaise de Normalisation, Method for Determination of Vitamin C Content

NF V03-145*NF EN 14166:2009 Foodstuffs - Determination of vitamin B6 by microbiological assay
NF V03-133:2003 Foodstuffs - Determination of vitamin B1 by HPLC.
NF V03-133*NF EN 14122:2014 Foodstuffs - Determination of vitamin B1 by high performance liquid chromatography
NF EN 14164:2014 Produits alimentaires - Détermination de la teneur en vitamine B6 par chromatographie liquide haute performance
NF V18-402*NF EN ISO 6867:2002 Animal feeding stuffs - Determination of vitamin E content - Method using high-performance liquid chromatography.
NF V18-401*NF EN ISO 14565:2002 Animal feeding stuffs - Determination of vitamin A content - Method using high-performance liquid chromatography.
NF EN ISO 6867:2002 Aliments des animaux - Détermination de la teneur en vitamine E - Méthode par chromatographie liquide à haute performance
NF EN ISO 14565:2002 Aliments des animaux - Détermination de la teneur en vitamine A - Méthode par chromatographie liquide à haute performance
NF V18-403:1987 Animal feeding stuffs-Pet foods- Determination of vitamin D content
NF EN 12822:2014 Produits alimentaires - Détermination de la teneur en vitamine E par chromatographie liquide haute performance - Dosage des alpha-, béta-, gamma- et delta-tocophérols
NF ISO 20635:2019 Formules infantiles et produits nutritionnels pour adultes - Détermination de la teneur en vitamine C par chromatographie liquide à (ultra) haute performance avec détection dans l'ultraviolet ((CL(U)HP-UV)
NF V03-130-2*NF EN 12823-2:2001 Foodstuffs - Determination of vitamin A by high performance liquid chromatography - Part 2 : measurement of beta-carotene
NF V03-131*NF EN 12821:2009 Foodstuffs - Determination of vitamin D by high performance liquid chromatography - Measurement of cholecalciferol (D3) or ergocalciferol (D2).
NF ISO 20636:2019 Formules infantiles et produits nutritionnels pour adultes - Détermination de la teneur en vitamine D par chromatographie liquide couplée à la spectrométrie de masse
NF V03-141*NF EN 14663:2006 Foodstuffs - Determination of vitamin B6 (including its glycosylated forms) by HPLC
NF T12-024:1982 Cellulose. Determination of the copper content. Extraction method and flame atomic absorption spectrometric method.
NF EN ISO 14637:2007 Lait - Détermination de la teneur en urée - Méthode enzymatique par mesurage de pH différentiel (Méthode de référence)
NF ISO 20634:2016 Formules infantiles et produits nutritionnels pour adultes - Détermination de la teneur en vitamine B12 par chromatographie liquide haute performance en phase inverse (CLHP-PI)
NF V03-040:1993 Agricultural food products. Determination of crude fibre. General method.
NF G06-018:1971 Textiles. Tests for fibres. Determination of the quantity of acid contained in wool.
FD CEN/TR 16721:2014 Produits biosourcés - Vue d'ensemble des méthodes pour déterminer la teneur en biosourcée
NF X34-220:2011 Solid recovered fuels - Methods for the determination of carbon (C), hydrogen (H) and nitrogen (N) content.
NF EN 17547:2021 Aliments des animaux - Méthodes d'échantillonnage et d'analyse - Détermination de la teneur en vitamines A, E et D - Méthode utilisant la purification par extraction en phase solide (SPE) et la chromatographie liquide à haute performance (CLHP)
NF V03-041:1981 Agricultural food products. Determination of crude fibre. Modified scharrer method.
NF EN 12823-1:2014 Produits alimentaires - Détermination de le teneur en vitamine A par chromatographie liquide haute performance - Partie 1 : dosage du tout-E-rétinol et du 13-Z-rétinol
NF V18-806*NF EN 17547:2021 Animal feeding stuffs - Methods of sampling and analysis - Determination of vitamin A, E and D content - Method using solid phase extraction (SPE) clean-up and high-performance liquid chromatography (HPLC)
NF V03-130-1*NF EN 12823-1:2014 Foodstuffs - Determination of vitamin A by high performance liquid chromatography - Part 1 : measurement of all-E-retinol and 13-Z-retinol
NF X34-205:2011 Solid recovered fuels - Methods for the determination of biomass content.
NF X34-205:2021 Solid recovered fuels - Methods for the determination of biomass content
NF ISO 1446:2002 Café vert - Détermination de la teneur en eau - Méthode de référence fondamentale
NF EN ISO 21644:2021 Combustibles solides de récupération - Méthode de détermination de la teneur en biomasse
NF EN ISO 14183:2009 Aliments des animaux - Détermination des teneurs en monensine, narasine et salinomycine - Méthode par chromatographie liquide utilisant la dérivatisation post-colonne
NF V18-241*NF EN 16158:2012 Animal feeding stuffs - Determination of semduramicin content - Liquid chromatographic method using a "tree" analytical approach
NF V03-185*NF ISO 20635:2019 Infant formula and adult nutritionals - Determination of vitamin C by (ultra) high performance liquid chromatography with ultraviolet detection ((U)HPLC-UV)
NF X30-406:2007 Characterisation of waste - Halogen and sulfur content - Oxygen combustion in closed systems and determination methods.
NF X30-406*NF EN 14582:2016 Characterization of waste - Halogen and sulfur content - Oxygen combustion in closed systems and determination methods
NF ISO 22863-10:2021 Artifices de divertissement - Méthodes d'essai pour la détermination de substances chimiques spécifiques - Partie 10 : taux d'azote dans la nitrocellulose par titration de l'ion sulfate de fer (II)
NF T12-023:1982 Cellulose. Determination of the calcium content. Edta titrimetric method and flame atomic absorption spectrometric method.
NF EN ISO 21663:2020 Combustibles solides de récupération - Méthodes de détermination de la teneur en carbone (C), hydrogène (H), azote (N) et soufre (S) par la méthode instrumentale
NF EN 16785-2:2018 Produits biosourcés - Teneur biosourcée - Partie 2 : détermination de la teneur biosourcée à l'aide de la méthode basée sur le bilan-matières
NF A06-902*NF EN 12938:2000 Methods for the analysis of pewter - Determination of alloying and impurity element contents by atomic spectrometry.
NF V18-051*NF EN ISO 14183:2009 Animal feeding stuffs - Determination of monensin, narasin and salinomycin contents - Liquid chromatographic method using post-column derivatization.
NF EN 2331:1993 Série aérospatiale - Préimprégnés de fibres de verre textile - Méthode d'essai pour la détermination des teneurs en résine et fibres et de la masse surfacique des fibres
NF T12-011-2:2021 Paper, board, pulps and cellulosic nanomaterials - Determination of dry matter content by oven-drying method - Part 2 : suspensions of cellulosic nanomaterials
NF T12-011-2*NF EN ISO 638-2:2022 Paper, board, pulps and cellulosic nanomaterials - Determination of dry matter content by oven-drying method - Part 2 : suspensions of cellulosic nanomaterials

Professional Standard - Agriculture, Method for Determination of Vitamin C Content

GB/T 12388-1990 Determination method of vitamin A and vitamin E in food
NY/T 1598-2008 Determination of tocopherol content in edible vegetable oils. High performance liquid chromatography
GB/T 13110-1991 Determination method of tetracycline family antibiotic residues in honey
GB/T 2443-1991 Method for Determination of Biuret Content in Urea Copper Double Salt Spectrophotometry
SN/T 5055.3-2018 Biodiesel Analytical Methods Part 3: Determination of Fatty Acid Methyl Esters Content by Comprehensive Two-Dimensional Gas Chromatography

German Institute for Standardization, Method for Determination of Vitamin C Content

DIN EN 12822:2014 Foodstuffs - Determination of vitamin E by high performance liquid chromatography - Measurement of α-, β-, γ- and δ-tocopherols; German version EN 12822:2014
DIN EN 12822:2000 Foodstuffs - Determination of vitamin E by high performance liquid chromatography - Measurement of -, -, - and -tocopherols; German version EN 12822:2000
DIN EN 14122:2003 Foodstuffs - Determination of vitamin B1 by HPLC; German version EN 14122:2003
DIN EN ISO 14565:2001-03 Animal feeding stuffs - Determination of vitamin A content - Method using high-performance liquid chromatography (ISO 14565:2000); German version EN ISO 14565:2000
DIN EN ISO 6867:2001-03 Animal feeding stuffs - Determination of vitamin E content - Method using high-performance liquid chromatography (ISO 6867:2000); German version EN ISO 6867:2000
DIN EN 12821:2009 Foodstuffs - Determination of vitamin D by high performance liquid chromatography - Measurement of cholecalciferol (D<(Index)3>) or ergocalciferol (D<(Index)2>); German version EN 12821:2009
DIN EN ISO 14565:2001 Animal feeding stuffs - Determination of vitamin A content - Method using high-performance liquid chromatography (ISO 14565:2000); German version EN ISO 14565:2000
DIN EN ISO 6867:2001 Animal feeding stuffs - Determination of vitamin E content - Method using high-performance liquid chromatography (ISO 6867:2000); German version EN ISO 6867:2000
DIN CEN/TS 15747:2009 Solid recovered fuels - <(hoch)14>C-based methods for the determination of the biomass content; German version CEN/TS 15747:2008
DIN EN 12823-2:2000 Foodstuffs - Determination of vitamin A by high performance liquid chromatography - Part 2: Measurement of -carotene; German version EN 12823-2:2000
DIN EN 14122:2014 Foodstuffs - Determination of vitamin B1 by high performance liquid chromatography; German version EN 14122:2014
DIN 53178:1969-09 Testing of paints, varnishes and similar products; determination of nitro cellulose content of lacquers
DIN CEN/TR 16721:2014-12*DIN SPEC 35802:2014-12 Bio-based products - Overview of methods to determine the bio-based content; German version CEN/TR 16721:2014
DIN 10781:2000-11 Roasted ground coffee - Determination of loss in mass at 103 °C (Routine method for the determination of moisture content)
DIN EN 12823-2:2000-07 Foodstuffs - Determination of vitamin A by high performance liquid chromatography - Part 2: Measurement of <beta>-carotene; German version EN 12823-2:2000
DIN EN ISO 14637:2007-03 Milk - Determination of urea content - Enzymatic method using difference in pH (Reference method) (ISO 14637:2004); German version EN ISO 14637:2006
DIN EN 17547:2022 Animal feeding stuffs: Methods of sampling and analysis - Determination of vitamin A, E and D content - Method using solid phase extraction (SPE) clean-up and high-performance liquid chromatography (HPLC)
DIN EN 17547:2022-01 Animal feeding stuffs: Methods of sampling and analysis - Determination of vitamin A, E and D content - Method using solid phase extraction (SPE) clean-up and high-performance liquid chromatography (HPLC); German version EN 17547:2021
DIN EN 12823-1:2000 Foodstuffs - Determination of vitamin A by high performance liquid chromatography - Part 1: Measurement of all-trans-retinol and 13-cis-retinol; German version EN 12823-1:2000
DIN EN 17547:2020 Animal feeding stuffs: Methods of sampling and analysis - Determination of vitamin A, E and D content - Method using solid phase extraction clean-up and High Performance Liquid Chromatography; German and English version prEN 17547:2020
DIN EN 12822:2014-08 Foodstuffs - Determination of vitamin E by high performance liquid chromatography - Measurement of <alpha>-, <beta>-, <gamma>- and <delta>-tocopherols; German version EN 12822:2014
DIN EN 14582:2007 Characterization of waste - Halogen and sulfur content - Oxygen combustion in closed systems and determination methods English version of DIN EN 14582:2007-06
DIN EN 14122 Corrigendum 1:2006 Foodstuffs - Determination of vitamin B1 by HPLC Corrigendum 1 to English version of DIN EN 14122:2003-09
DIN 54208:2001 Testing of textiles - Quantitative analysis of binary mixtures - Regenerated cellulose fibres with other fibres, especially cotton; Formic acid/zinc chloride method
DIN EN ISO 14183:2009-02 Animal feeding stuffs - Determination of monensin, narasin and salinomycin contents - Liquid chromatographic method using post-column derivatization (ISO 14183:2005); German version EN ISO 14183:2008
DIN V ENV 13070:1998 Fruit and vegetable juices - Determination of stable carbon isotope ratio (<(hoch)13>C/<(hoch)12>C) in the pulp of fruits juices - Method using isotope ratio mass spectrometry; German version ENV 13070:1998
DIN EN 2331:1993 Aerospace series; textile glass fibre preimpregnates; test method for the determination of the resin and fibre content and mass of fibre per unit area; german version EN 2331:1993

European Committee for Standardization (CEN), Method for Determination of Vitamin C Content

EN 12821:2009 Foodstuffs - Determination of vitamin D by high performance liquid chromatography - Measurement of cholecalciferol (D3) or ergocalciferol (D2)
EN 12822:2000 Foodstuffs - Determination of Vitamin E by High Performance Liquid Chromatography - Measurement of a-, B-, y- and o-Tocopherols
EN 12823-1:2000 Foodstuffs - Determination of Vitamin E by High Performance Liquid Chromatography - Part 1: Measurement of All-Trans-Retinol and 13-Cis-Retinol
EN 12822:2014 Foodstuffs - Determination of vitamin E by high performance liquid chromatography - Measurement of ��-@ ?-@ �� and �� tocopherol
EN ISO 6867:2000 Animal Feeding Stuffs - Determination of Vitamin E Content - Method Using High-Performance Liquid Chromatography ISO 6867: 2000
EN ISO 14565:2000 Animal Feeding Stuffs - Determination of Vitamin A Content - Method Using High-Performance Liquid Chromatography ISO 14565:2000
EN ISO 9936:2006 Animal and vegetable fats and oils - Determination of tocopherol and tocotrienol contents by high-performance liquid chromatography (Incorporates Amendment A1: 2011)
EN ISO 21644:2021 Solid recovered fuels - Methods for the determination of biomass content (ISO 21644:2021, Corrected version 2021-03)
EN 12823-2:2000 Foodstuffs - Determination of vitamin A by high performance liquid chromatography - Part 2: Measurement of β-carotene
PD CEN/TS 15403:2006 Solid recovered fuels - Methods for the determination of ash content
EN 16640:2017 Bio-based products - Bio-based carbon content - Determination of the bio-based carbon content using the radiocarbon method
EN 12823-1:2014 Foodstuffs - Determination of vitamin A by high performance liquid chromatography - Part 1: Measurement of all-E-retinol and 13-Z-retinol
FprEN 17547-2021 Animal feeding stuffs: Methods of sampling and analysis - Determination of vitamin A, E and D content - Method using solid phase extraction clean-up and High Performance Liquid Chromatography
PD CEN/TR 16721:2014 Bio-based products - Overview of methods to determine the bio-based content
EN ISO 14183:2008 Animal feeding stuffs - Determination of monensin, narasin and salinomycin contents - Liquid chromatographic method using post-column derivatization (ISO 14183:2005)
EN ISO 14183:2008/AC:2012 Animal feeding stuffs - Determination of monensin, narasin and salinomycin contents - Liquid chromatographic method using post-column derivatization - Technical Corrigendum 1 (ISO 14183:2005/Cor 1:2010)
EN 16158:2012 Animal feeding stuffs - Determination of semduramicin content - Liquid chromatographic method using a "tree" analytical approach

American Society for Testing and Materials (ASTM), Method for Determination of Vitamin C Content

ASTM D1926-95 Standard Test Methods for Carboxyl Content of Cellulose
ASTM D1926-00 Standard Test Methods for Carboxyl Content of Cellulose
ASTM D1926-00(2006) Standard Test Methods for Carboxyl Content of Cellulose
ASTM D2929-89(2006) Standard Test Method for Sulfur Content of Cellulosic Materials by X-Ray Fluorescence
ASTM D2929-89(2000) Standard Test Method for Sulfur Content of Cellulosic Materials by X-ray Fluorescence
ASTM D2929-89(2019)e1 Standard Test Method for Sulfur Content of Cellulosic Materials by X-Ray Fluorescence
ASTM D292-29(1978) Standard test method for determination of sulfur content in cellulosic materials by X-ray fluorescence
ASTM C1096-91(2004)e1 Standard Test Method for Determination of Wood Fiber in Asbestos Cement
ASTM D1343-95(2006) Standard Test Method for Viscosity of Cellulose Derivatives by Ball-Drop Method
ASTM D1343-95(2011) Standard Test Method for Viscosity of Cellulose Derivatives by Ball-Drop Method
ASTM D1343-95(2000) Standard Test Method for Viscosity of Cellulose Derivatives by Ball-Drop Method
ASTM D1343-95(2019) Standard Test Method for Viscosity of Cellulose Derivatives by Ball-Drop Method
ASTM D3133-96 Standard Test Method for Quantitative Determination of Cellulose Nitrate in Alkyd Modified Lacquers by Infrared Spectrophotometry
ASTM D4209-82(2002) Standard Practice for Determining Volatile and Nonvolatile Content of Cellulosics, Emulsions, Resin Solutions, Shellac, and Varnishes
ASTM D4209-82(1996) Standard Practice for Determining Volatile and Nonvolatile Content of Cellulosics, Emulsions, Resin Solutions, Shellac, and Varnishes
ASTM C1380-97 Standard Test Method for Determination of Uranium Content and Isotopic Composition by Isotope Dilution Mass Spectrometry
ASTM C1380-04 Standard Test Method for Determination of Uranium Content and Isotopic Composition by Isotope Dilution Mass Spectrometry
ASTM C1096-91(1999) Standard Test Method for Determination of Wood Fiber in Asbestos Cement
ASTM C1096-91(2004) Standard Test Method for Determination of Wood Fiber in Asbestos Cement
ASTM C1096/C1096M-07(2011)e1 Standard Test Method for Determination of Wood Fiber in Asbestos Cement
ASTM E3181-20 Standard Practice for Determination of the Converted Fraction of Starch and Cellulosic Content From a Fuel Ethanol Production Facility
ASTM C1473-00 Standard Test Method for Radiochemical Determination of Uranium Isotopes in Urine by Alpha Spectrometry
ASTM C1096-07 Standard Test Method for Determination of Wood Fiber in Asbestos Cement
ASTM C1380-04(2011) Standard Test Method for Determination of Uranium Content and Isotopic Composition by Isotope Dilution Mass Spectrometry

Professional Standard - Textile, Method for Determination of Vitamin C Content

FZ/T 50010.5-2023 Pulpboard for regenerated cellulose fiber-Determination of ash content

PL-PKN, Method for Determination of Vitamin C Content

PN P04847-02-1986 Method for quantitative analysis of regenerated cellulose fibre
PN P04684-1991 Flax and hemp straw. Determination of fibre content by biological method
PN P04847-05-1992 Test methods for textiles Quantitative analysis of binary fibre mixtures Determination of polyamide fibre content
PN P50096-1962 Testing methods for paper industry produc?s. Determination of lignin con- ?ent in chemical pulps

KE-KEBS, Method for Determination of Vitamin C Content

KS 05-244 Pt.6-1981 KENYA STANDARD METHODS OF ANALYSIS OF FOODS FOR VITAMINS PART 6. ESTIMATION OF VITAMIN C
KS 05-244 Pt.3-1981 KENYA STANDARD METHODS OF ANALYSIS OF FOODS FOR VITAMINS PART 3. ESTIMATION OF RIBOFLAVIN (VITAMIN B2)
KS 05-244 Pt.8-1981 KENYA STANDARD METHODS OF ANALYSIS OF FOODS FOR VITAMINS PART 8. ESTIMATION OF VITAMIN E (TOCOPHEROLS)
KS 05-244 Pt.5-1981 KENYA STANDARD METHODS OF ANALYSIS OF FOODS FOR VITAMINS PART 5, ESTIMATION OF VITAMIN B12
KS 05-244 Pt.7-1981 KENYA STANDARD METHODS OF ANALYSIS OF FOODS FOR VITAMINS PART 7. ESTIMATION OF VITAMIN D
KS 05-244 Pt.4-1981 KENYA STANDARD METHODS OF ANALYSIS OF FOODS FOR VITAMINS PART 4. ESTIMATION Of- PYRIDOXINE VITAMIN B6

Korean Agency for Technology and Standards (KATS), Method for Determination of Vitamin C Content

KS H ISO 12080-1:2006 Dried skimmed milk－Determination of vitamin A content－Part 1：Colorimetric method
KS H ISO 12080-1:2021 Dried skimmed milk — Determination of vitamin A content —Part 1: Colorimetric method
KS H ISO 12080-1-2006(2016) Dried skimmed milk－Determination of vitamin A content－Part 1：Colorimetric method
KS H ISO 12080-2-2006(2016) Dried skimmed milk－Determination of vitamin A content －Part 2：Method using high-performance liquid chromatography
KS K 0441-2018 Test method for ash content of cellulosic textiles
KS H ISO 12080-2:2021 Dried skimmed milk — Determination of vitamin A content — Part 2: Method using high-performance
KS H ISO 12080-2:2006 Dried skimmed milk－Determination of vitamin A content－Part 2：Method using high-performanceliquid chromatography
KS F 2244-2003 MEASURING METHOD FOR FIBER CONTENT OF GLASS FIBER REINFORCED PLASTICS
KS H ISO 9936:2013 Animal and vegetable fats and oils ― Determination of tocopherols and tocotrienols contents by high-performance liquid chromatography
KS H ISO 9936:2003 Animal and vegetable fats and oils-Determination of tocopherols and tocotrienols contents-Method using high-performance liquid chromatography
KS M ISO 9406:2004 Carbonaceous materials for the production of aluminium－Green coke－Determination of volatile matter content by gravimetric analysis
KS M ISO 2865:2003 Aluminium oxide primarily used for the production of aluminium-Determination of boron content-Curcumin spectrophotometric method
KS B 0524-1994 Methods of measurement for ferrite content in austenitic stainless steel deposited metal
KS M ISO 2865-2003(2018)

VN-TCVN, Method for Determination of Vitamin C Content

TCVN 7081-1-2010 Dried skimmed milk.Determination of vitamin A content.Part 1: Colonmetric method
TCVN 7081-2-2010 Dried skimmed milk.Determination of vitamin A content.Part 2: Method using high-performance liquid chromatography
TCVN 7787-2007 Dried skimmed milk.Determination of vitamin D content using high-performance liquid chromatography
TCVN 5284-1990 Animal feeding stuffs.Method for determination of carotin content
TCVN 3175-1979 Light petroleum products.Method for the determination of elemental sulphur content
TCVN 5362-1991 Graphite.Method for the determination of total oxide content of rare earth elements
TCVN 5103-1990 Agricultural food products.Determination of crude fibre content.General method
TCVN 4426-1987 Sandstone.Method for the determination of total rare-earth elements and thorium oxide contents
TCVN 7739-1-2007 Glass Fibers-Test Methods .Part 1: Determination of moisture content
TCVN 7739-3-2007 Glass Fibers-Test Methods.Part 3: Determination of combustible content

Lithuanian Standards Office , Method for Determination of Vitamin C Content

LST EN 14122-2014 Foodstuffs - Determination of vitamin B1 by high performance liquid chromatography
LST EN 14164-2014 Foodstuffs - Determination of vitamin B6 by high performance chromatography
LST EN 12822-2014 Foodstuffs - Determination of vitamin E by high performance liquid chromatography - Measurement of ?-, ?-, ?- and ?-tocopherol
LST EN ISO 14565:2003 Animal feeding stuffs - Determination of vitamin A content - Method using high-performance liquid chromatography (ISO 14565:2000)
LST EN ISO 6867:2003 Animal feeding stuffs - Determination of vitamin E content - Method using high-performance liquid chromatography (ISO 6867:2000)
LST EN 12938-2000 Methods for the analysis of pewter - Determination of alloying and impurity element contents by atomic spectrometry
LST EN 12938-2000/AC-2003 Methods for the analysis of pewter - Determination of alloying and impurity element contents by atomic spectrometry
LST EN 12823-2-2000 Foodstuffs - Determination of vitamin A by high performance liquid chromatography - Part 2: Measurements of Beta-carotene
LST EN 15407-2011 Solid recovered fuels - Methods for the determination of carbon (C), hydrogen (H) and nitrogen (N) content
LST EN 12823-1-2014 Foodstuffs - Determination of vitamin A by high performance liquid chromatography - Part 1: Measurement of all-E-retinol and 13-Z-retinol
LST EN 15440-2011 Solid recovered fuels - Methods for the determination of biomass content
LST EN 15440-2011/AC-2011 Solid recovered fuels - Methods for the determination of biomass content
LST EN 12822-2000 Foodstuffs - Determination of vitamin E by high performance liquid chromatography - Measurement of alpha-, beta-, gamma-, and delta-tocopherols
LST ISO 11294:1997 Roasted ground coffee. Determination of moisture content. Method by determination of loss in mass at 103 °C (Routine method) (idt ISO 11294:1994)
LST ISO 11294:2004 Roasted ground coffee. Determination of moisture content. Method by determination of loos in mass at 103 °C (Routine method) (identical ISO 11294:1994)
LST EN ISO 14637:2007 Milk - Determination of urea content - Enzymatic method using difference in pH (Reference method) (ISO 14637:2004)

International Organization for Standardization (ISO), Method for Determination of Vitamin C Content

ISO 6867:2000 Animal feeding stuffs - Determination of vitamin E content - Method using high-performance liquid chromatography
ISO 12080-1:2009 Dried skimmed milk - Determination of vitamin A content - Part 1: Colorimetric method
ISO 12080-1:2000 Dried skimmed milk - Determination of vitamin A content - Part 1: Colorimetric method
ISO 12080-1:2000 | IDF 142:1990 Dried skimmed milk — Determination of vitamin A content — Part 1: Colorimetric method
ISO 12080-1:2009 | IDF 142-1:2009 Dried skimmed milk — Determination of vitamin A content — Part 1: Colorimetric method
ISO 12080-1:2009|IDF 142-1:2009 Determination of vitamin A content in skim milk powder Part 1: Colorimetric method
ISO 14565:2000 Animal feeding stuffs - Determination of vitamin A content - Method using high-performance liquid chromatography
ISO 14892:2002 | IDF 177:2002 Dried skimmed milk — Determination of vitamin D content using high-performance liquid chromatography
ISO 14892:2002 Dried skimmed milk - Determination of vitamin D content using high-performance liquid chromatography
ISO 14892:2002|IDF 177:2002 Determination of vitamin D content in skimmed milk powder using high-performance liquid chromatography
ISO 12080-2:2000 Dried skimmed milk — Determination of vitamin A content — Part 2: Method using high-performance liquid chromatography
ISO 12080-2:2009 | IDF 142-2:2009 Dried skimmed milk — Determination of vitamin A content — Part 2: Method using high-performance liquid chromatography
ISO 12080-2:2000 | IDF 142:1990 Dried skimmed milk — Determination of vitamin A content — Part 2: Method using high-performance liquid chromatography
ISO 6557-1:1986 Fruits, vegetables and derived products; Determination of ascorbic acid; Part 1 : Reference method
ISO 12080-2:2009 Dried skimmed milk - Determination of vitamin A content - Part 2: Method using high-performance liquid chromatography
ISO 12080-2:2009|IDF 142-2:2009 Determination of Vitamin A Content in Skim Milk Powder Part 2: Application of High Performance Liquid Chromatography
ISO 9936:2006 Animal and vegetable fats and oils - Determination of tocopherol and tocotrienol contents by high-performance liquid chromatography
ISO 9936:2016 Animal and vegetable fats and oils - Determination of tocopherol and tocotrienol contents by high-performance liquid chromatography
ISO 1762:2019 Paper, board, pulps and cellulose nanomaterials — Determination of residue (ash content) on ignition at 525 °C
ISO 21644:2021 Solid recovered fuels - Methods for the determination of biomass content
ISO 5498:1981 Agricultural food products; Determination of crude fibre content; General method
ISO 2144:2019 Paper, board, pulps and cellulose nanomaterials — Determination of residue (ash content) on ignition at 900 °C
ISO 9406:1988 Carbonaceous materials for the production of aluminium; green coke; determination of volatile matter content by gravimetric analysis
ISO 9406:1995 Carbonaceous materials for the production of aluminium - Green coke - Determination of volatile matter content by gravimetric analysis
ISO 20635:2018 Infant formula and adult nutritionals - Determination of vitamin C by (ultra) high performance liquid chromatography with ultraviolet detection ((U)HPLC-UV)
ISO 6997:1985 Carbonaceous materials for the production of aluminium; Calcined coke; Determination of apparent oil content ; Heating method
ISO 8723:1986 Carbonaceous materials for the production of aluminium; Calcined coke; Determination of oil content; Method by solvent extraction
ISO 21446:2019 Infant formula and adult nutritionals — Determination of trans and total (cis + trans) vitamin K1 content — Normal phase HPLC
ISO 2865:1973 Aluminium oxide primarily used for the production of aluminium; Determination of boron content; Curcumin spectrophotometric method
ISO 21470:2020 Infant formula and adult nutritionals — Simultaneous determination of total vitamins B1, B2, B3 and B6 — Enzymatic digestion and LC-MS/MS
EN ISO 16703:2011 Soil quality - Determination of content of hydrocarbon in the range C10 to C40 by gas chromatography
ISO 14183:2005 Animal feeding stuffs - Determination of monensin, narasin and salinomycin contents - Liquid chromatographic method using post-column derivatization
ISO/DIS 6350:1980 Lignins — Determination of dry matter content — Oven-drying and freeze-drying methods
ISO/FDIS 6350:2023 Lignins — Determination of dry matter content — Oven-drying and freeze-drying methods
ISO 20921:2019 Textiles — Determination of stable nitrogen isotope ratio in cotton fibres

Danish Standards Foundation, Method for Determination of Vitamin C Content

DS/ISO 12080-1:2009 Dried skimmed milk - Determination of vitamin A content - Part 1: Colorimetric method
DS/EN ISO 14565:2001 Animal feeding stuffs - Determination of vitamin A content - Method using high-performance liquid chromatography
DS/EN ISO 6867:2001 Animal feeding stuffs - Determination of vitamin E content - Method using high-performance liquid chromatography
DS/ISO 14892:2002 Dried skimmed milk - Determination of vitamin D content using high-performance liquid chromatography
DS/ISO 12080-2:2009 Dried skimmed milk - Determination of vitamin A content - Part 2: Method using high-performance liquid chromatography
DS/EN 12938/AC:2001 Methods for the analysis of pewter - Determination of alloying and impurity element contents by atomic spectrometry
DS/EN 12938:2001 Methods for the analysis of pewter - Determination of alloying and impurity element contents by atomic spectrometry
DS/EN 12822:2000 Foodstuffs - Determination of vitamin E by high performance liquid chromatography - Measurement of alpha-, beta-, gamma- and delta-tocopherols
DS/EN 15407:2011 Solid recovered fuels - Methods for the determination of carbon (C), hydrogen (H) and nitrogen (N) content
DS/EN 15440/AC:2012 Solid recovered fuels - Methods for the determination of biomass content
DS/EN 15440:2011 Solid recovered fuels - Methods for the determination of biomass content
DS/ISO 21644:2021 Solid recovered fuels – Methods for the determination of biomass content
DS/EN ISO 14183:2009 Animal feeding stuffs - Determination of monensin, narasin and salinomycin contents - Liquid chromatographic method using post-column derivatization
DS/ISO 638-2:2021 Paper, board, pulps and cellulosic nanomaterials – Determination of dry matter content by oven-drying method – Part 2: Suspensions of cellulosic nanomaterials

International Dairy Federation (IDF), Method for Determination of Vitamin C Content

IDF 142-1-2009 Dried skimmed milk - Determination of vitamin A content - Part 1: Colorimetric method
IDF 177-2002 Dried skimmed milk - Determination of vitamin D content using high-performance liquid chromatography
IDF 142-2-2009 Dried skimmed milk - Determination of vitamin A content - Part 2: Method using high-performance liquid chromatography

KR-KS, Method for Determination of Vitamin C Content

KS H ISO 12080-1-2021 Dried skimmed milk — Determination of vitamin A content —Part 1: Colorimetric method
KS H ISO 12080-2-2021 Dried skimmed milk — Determination of vitamin A content — Part 2: Method using high-performance

Sichuan Provincial Standard of the People's Republic of China, Method for Determination of Vitamin C Content

DB51/T 1693-2013 Determination of Vitamin K1 Content in Cosmetics by High Performance Liquid Chromatography
DB51/T 2044-2015 Determination method of impurity element content in high-purity vanadium pentoxide

未注明发布机构, Method for Determination of Vitamin C Content

DIN EN ISO 14565:2000 Animal feeding stuffs — Determination of vitamin A content — Method using high-performance liquid chromatography
BS ISO 14892:2002(2006) Dried skimmed milk — Determination of vitamin D content using high - performance liquid chromatography
BS 3762-3.15:1985(2011) Analysis of formulated detergents — Part 3 : Quantitative test methods — Section 3.15 Method for estimation of carboxymethylcellulose content
DIN EN ISO 638-2:2022 Paper, cardboard, fiber and cellulose-containing nanomaterials – Determination of dry content using the heating oven method – Part 2: Suspensions of cellulose-containing nanomaterials (ISO 638-2:2022)
BS EN 15440:2011(2012) Solid recovered fuels — Methods for the determination of biomass content
BS EN ISO 14183:2008(2009) Animal feeding stuffs — Determination of monensin, narasin and salinomycin contents — Liquid chromatographic method using post - column derivatization

Professional Standard - Light Industry, Method for Determination of Vitamin C Content

QB/T 4938-2016 Oral care products.Determination of vitamin C in toothpastes
QB/T 2969-2008 Determination of triclosan in toothpastes
QB/T 4937-2016 Oral care products.Determination of vitamin E in toothpastes

AENOR, Method for Determination of Vitamin C Content

UNE-EN ISO 6867:2001 Animal feeding stuffs. Determination of vitamin E content. Method using high-performance liquid chromatography. (ISO 6867:2000)
UNE-EN ISO 14565:2001 Animal feeding stuffs. Determination of vitamin A content. Method using high-performance liquid chromatography. (ISO 14565:2000)
UNE 33131:1982 TEST METHODS OF VINIC VINEGARS. DETERMINATION OF SYNTHETIC ACETID ACID BY ITS C-14 CONTENT.
UNE 34106:1981 AGRICULTURAL FOOD PRODUCTS. DETERMINATION OF CRUDE FIBRE CONTENT. GENERAL METHOD.
UNE 34107:1981 AGRICULTURAL FOOD PRODUCTS. DETERMINATION OF CRUDE FIBRE CONTENT. MODIFIED SCHARRER METHOD.
UNE-EN 12823-2:2000 FOODSTUFFS - DETERMINATION OF VITAMIN A BY HIGH PERFORMANCE LIQID CHROMATOGRAPHY - PART 2: MEASUREMENT OF BETA-CAROTENE.
UNE-EN 15407:2011 Solid recovered fuels - Methods for the determination of carbon (C), hydrogen (H) and nitrogen (N) content
UNE 33107:1974 TEST METHODS OF ALCOHOLS FOR BEVERAGE MANUFACTURE. DETERMINATION OF ALDEHYDE CONTENT.
UNE 33111:1977 TEST METHODS OF ALCOHOLS FOR BEVERAGE MANUFACTURE. DETERMINATION OF ESTERS CONTENT.
UNE-EN 15440:2012 Solid recovered fuels - Methods for the determination of biomass content
UNE 33108:1974 TEST METHODS OF ALCOHOLS FOR BEVERAGE MANUFACTURE. DETERMINATION OF METHANOL CONTENT.
UNE-EN ISO 14637:2007 Milk - Determination of urea content - Enzymatic method using difference in pH (Reference method) (ISO 14637:2004)
UNE 53936:2015 EX Materials produced from end of life tyres. Rubber granulates. Determination of textile fiber content by visual rate

Xinjiang Provincial Standard of the People's Republic of China, Method for Determination of Vitamin C Content

DB65/T 3888-2016 Determination method of acid insoluble lignin content in cotton fiber
DB65/T 3184-2010 The thioglycolate method for analysing lignin content in cotton fiber

NL-NEN, Method for Determination of Vitamin C Content

NEN 1308-1960

国家能源局, Method for Determination of Vitamin C Content

NB/T 10762-2021 Methods for determination of lignocellulosic components of starch-rich raw materials: determination of cellulose, hemicellulose and acid-insoluble lignin
NB/T 13005-2016 Cellulase enzyme activity determination method for biofuel ethanol production

ET-QSAE, Method for Determination of Vitamin C Content

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, Method for Determination of Vitamin C Content

GB/T 33396-2016 Optical functional films—Cellulose triacetate(TAC) film—Determination of halogen content
GB/T 35818-2018 Standard method for analysis of forestry biomass－Determination of structural polysaccharides and lignin
GB/T 35923-2018 Optical functional film—Cellulose triacetate(TAC) film—Determination of plasticizer content

Japanese Industrial Standards Committee (JISC), Method for Determination of Vitamin C Content

JIS M 8404:1976 Methods for determination of rare earths in ores
JIS K 7052:1987 Measuring method for fiber content of glass fiber reinforced plastics
JIS M 8406:1976 Method for determination of yttrium group rare earths in ores
JIS Z 3118:2007 Method for measurement of amount of hydrogen evolved from steel welds
JIS Z 3119:1988 Methods of measurement for ferrite content in austenitic stainless steel deposited metal

BE-NBN, Method for Determination of Vitamin C Content

NBN T 04-301-1983 Urea for industrial use - Determination of nitrogen content - Titrimetric raethod after distillation
NBN T 04-304-1983 Urea for indus trial use - Determination of iron content-2,2'-Bipyridyl photometric method
NBN T 03-420-1983 Aluminium oxide primarily used for the production of aluminium - Determination of boron content - Curcumine spectrophotometric method

IN-BIS, Method for Determination of Vitamin C Content

国家粮食局, Method for Determination of Vitamin C Content

LS/T 6121.1-2017 Cereal and Oil Inspection Determination of Oryzanol Content in Vegetable Oils Spectrophotometric Method
LS/T 6121.2-2017 Grain and Oil Inspection Determination of Oryzanol Content in Vegetable Oils by High Performance Liquid Chromatography

ES-UNE, Method for Determination of Vitamin C Content

UNE-CEN/TR 16721:2014 Bio-based products - Overview of methods to determine the bio-based content (Endorsed by AENOR in December of 2014.)
UNE-EN 17547:2022 Animal feeding stuffs: Methods of sampling and analysis - Determination of vitamin A, E and D content - Method using solid phase extraction (SPE) clean-up and high-performance liquid chromatography (HPLC)
UNE-EN ISO 21644:2022 Solid recovered fuels - Methods for the determination of biomass content (ISO 21644:2021, Corrected version 2021-03)
UNE-EN IEC 60754-3:2021 Test on gases evolved during combustion of materials from cables - Part 3: Measurement of low level of halogen content by ion chromatography
UNE-EN ISO 638-2:2022 Paper, board, pulps and cellulosic nanomaterials - Determination of dry matter content by oven-drying method - Part 2: Suspensions of cellulosic nanomaterials (ISO 638-2:2022)

CEN - European Committee for Standardization, Method for Determination of Vitamin C Content

PD CEN/TS 14775:2004 Solid biofuels - Method for the determination of ash content
PD CEN/TS 15407:2006 Solid recovered fuels - Method for the determination of carbon (C)@ hydrogen (H) and nitrogen (N) content
PD CEN/TS 15440:2006 Solid recovered fuels - Method for the determination of biomass content
PD CEN/TS 15148:2005 Solid biofuels - Method for the determination of the content of volatile matter

中国轻工总会, Method for Determination of Vitamin C Content

ZBW 04018.2-1989 Numerical approximation method for determination of fiber content of linen and cotton blends
ZBW 04018.1-1989 Determination method of fiber content of linen and cotton blends: Adsorption isotherm method

工业和信息化部, Method for Determination of Vitamin C Content

HG/T 5674-2020 Method for determination of ultraviolet absorber content in triacetyl cellulose (TAC) films with optical functional films
YS/T 63.19-2021 Testing methods for carbon materials for aluminum use Part 19: Determination of ash content

Association of German Mechanical Engineers, Method for Determination of Vitamin C Content

DVS 1005-1988

IT-UNI, Method for Determination of Vitamin C Content

UNI EN ISO 21644:2021 Solid recovered fuels - Methods for the determination of biomass content
UNI EN ISO 638-2:2021 Paper, board, pulps and cellulosic nanomaterials - Determination of dry matter content by oven-drying method - Part 2: Suspensions of cellulosic nanomaterials

Professional Standard - Non-ferrous Metal, Method for Determination of Vitamin C Content

YS/T 63.18-2006 Carbonaceous materials used in the production of aluminium. Part 18:Determination of water content
YS/T 63.19-2006 Carbonaceous materials used in the production of aluminium. Part 19:Determination of ash content
YS/T 63.19-2012 Carbonaceous materials used in the production of aluminium.Part 19:Determination of ash content
YS/T 703-2014 Method for chemical analysis of Limstone.Determination of element contents.X-ray fluorescence spectrometric method
YS/T 917-2013 Chemical analysis methods for high purity cadmium.Determination of trace impurity elements content.Glow discharge mass spectrometry

YU-JUS, Method for Determination of Vitamin C Content

JUS C.A1.616-1980 Methods for chemical analvsis ofcopper and copper alloys. Votumetric determination ofcontent ofiron as alloving element
JUS H.B8.612-1979 Ahtminium oxide primarily used for the production of aluminium. Determimtion of boron content - Curcumin spectrophotometric method

European Association of Aerospace Industries, Method for Determination of Vitamin C Content

AECMA PREN 4436-1997 Aerospace Series Steel Test Methods Determination of d Ferrite Content Edition P 1; SAE AMS 2315D

Standard Association of Australia （SAA）, Method for Determination of Vitamin C Content

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