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Amino column
Amino column, Total:172 items.
In the international standard classification, Amino column involves: Products of the chemical industry, Paint ingredients, Aircraft and space vehicles in general, Organic chemicals, Spices and condiments. Food additives, Pharmaceutics, Adhesives, Farming and forestry, Laboratory medicine, Raw materials for rubber and plastics, Medical sciences and health care facilities in general, Fishing and fish breeding, Photography, General methods of tests and analysis for food products, Physics. Chemistry, Analytical chemistry, Food products in general, Electrical wires and cables, Veterinary medicine, Vocabularies, Soil quality. Pedology.
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Amino column
- GB/T 25786-2016 2-Amino-4-acetamino anisole
- GB/T 25786-2010 2-Amino-4-acetamino anisole
- GB/T 30933-2014 Determination of diethylamino hydroxybenzoyl hexyl benzoate as sunscreen agent in cosmetics.High performance liquid chromatography
工业和信息化部, Amino column
Military Standards (MIL-STD), Amino column
Professional Standard - Chemical Industry, Amino column
- HG/T 3603-1999 m-Aminoacetanilide
- HG/T 3411-2002 p-Aminoactaenilide
- HG/T 3411-2010 p-Aminoacetanilide
- HG/T 3603-2010 m-Aminoacetanilide
- HG/T 3411-1989 p-Aminoactaenilide
- HG/T 4295-2012 5-Acetoacetylamino benzimidazolone
- HG/T 5845~5848-2021 N-ethyl para-ester [4-N-ethylaminophenyl (β-hydroxyethyl sulfone sulfate)], N-ethyl meta-ester [3-N-ethylaminophenyl (β-ethyl sulfone], acetylated amino oil [4-amino-N-[3-(ethylhydroxyethyl)sulfone]phenylbenzamide] and 2,4-dimethylacetoacetanilide (2021)
- HG/T 4407-2012 4,4′-Diaminobenzenesulfonanilide(DASA)
- HG/T 3602~3603-2016 o-dichlorobenzene and m-aminoacetanilide (2016)
- HG/T 5949~5950-2021 Red base KD (3-amino-4-methoxy-benzoanilide) and naphthol AS-IRG (4-chloro-2,5-dimethoxyacetoacetanilide) (2021)
- HG/T 5320~5322-2018 N,N'-dicyclohexylcarbodiimide, triazine ring and acetoacetyl-5-aminobenzimidazolone (2018)
- HG/T 5072~5074-2016 2,4,6-Trimethylbenzoyldiphenylphosphine oxide, bis(2,4,6-trimethylbenzoyl)phenylphosphine oxide and 2-dimethylamino-2-benzyl-1 -[4-(4-Morpholinyl)phenyl]-1-butanone (2016)
- HG/T 5886~5889-2021 1-Acetamido-7-naphthol, benzophenone, terephthalaldehyde and 3,4-dichlorophenylthiourea (2021)
- HG/T 5303~5305-2018 Photosensitive materials Polytetramethylene glycol 250-bis(4-benzoylphenoxyacetic acid) ester, 4-(dimethylamino)benzoic acid-(2-ethyl)hexyl ester and 4-dimethylaminobenzoic acid ethyl ester ( 2018)
- HG/T 5396~5399-2018 4-chlorobutyryl chloride for industrial use, 2-nitroiminoimidazolidine for industrial use, methylnitroguanidine for industrial use and nitroguanidine for industrial use (2018)
- HG/T 5803~5806-2021 Plexiglass recycled methyl methacrylate, D-p-hydroxyphenylglycine, D-dihydrophenylglycine methyl Deng sodium salt and tert-butyl acetoacetate for industrial use (2021)
- HG/T 3803-2005 Photographic chemicals 4-(N-ethyl-N-2-methanesulfonylaminoethyl)-2-methylphenylenediamine sesquisulfate monohydrate
Professional Standard - Agriculture, Amino column
- 药品检验补充检验方法和检验项目批准件编号2009012 Acetaminophen Tablets
- QB/T 5854-2023 N-acetyl-D-glucosamine
- 493药典 二部-2015 Part 1 Five Draws of Acetaminophen
- 517药典 二部-2020 Part 1 Five Draws of Acetaminophen
- 405药典 第一增补本-2010 Part II Revised Varieties of Paracetamol
- 408药典 二部-2010 Part 1 Five Draws of Acetaminophen
- 498药典 二部-2015 Part I Five Draw Paracetamol Suppositories
- 494药典 二部-2015 Part I Five Draw Acetaminophen Tablets
- 518药典 二部-2020 Part I Five Draw Acetaminophen Tablets
- 522药典 二部-2020 Part I Five Draw Paracetamol Suppositories
- 407药典 第一增补本-2010 Two revised varieties of acetaminophen suppository
- 413药典 二部-2010 Part I Five Draw Paracetamol Suppositories
- 409药典 二部-2010 Part I Five Draw Acetaminophen Tablets
- 499药典 二部-2015 Part I Wuhua Acetaminophen Capsules
- 500药典 二部-2015 Part 1 Five Draws of Acetaminophen Granules
- 502药典 二部-2015 Part One Five Draws of Acetaminophen Gel
- 501药典 二部-2015 Part 1 Five Draws of Acetaminophen Drops
- 525药典 二部-2020 Part 1 Five Draws of Acetaminophen Drops
- 524药典 二部-2020 Part 1 Five Draws of Acetaminophen Granules
- 523药典 二部-2020 Part I Wuhua Acetaminophen Capsules
- 526药典 二部-2020 Part One Five Draws of Acetaminophen Gel
- 415药典 二部-2010 Part 1 Five Draws of Acetaminophen Granules
- 417药典 二部-2010 Part One Five Draws of Acetaminophen Gel
- 414药典 二部-2010 Part I Wuhua Acetaminophen Capsules
- 416药典 二部-2010 Part 1 Five Draws of Acetaminophen Drops
- 495药典 二部-2015 Part One Five Draw Acetaminophen Chewable Tablets
- 496药典 二部-2015 Part I Wuhua Effervescent Tablets of Acetaminophen
- 497药典 二部-2015 Part 1 Five Drawings of Acetaminophen Injection
- 519药典 二部-2020 Part One Five Draw Acetaminophen Chewable Tablets
- 520药典 二部-2020 Part I Wuhua Effervescent Tablets of Acetaminophen
- 521药典 二部-2020 Part 1 Five Drawings of Acetaminophen Injection
- 412药典 二部-2010 Part 1 Five Drawings of Acetaminophen Injection
- 411药典 二部-2010 Part I Wuhua Effervescent Tablets of Acetaminophen
- 410药典 二部-2010 Part One Five Draw Acetaminophen Chewable Tablets
- 406药典 第一增补本-2010 Two revised varieties of acetaminophen effervescent tablets
- 76兽药典 一部-2015 Text Variety Part I Five Draw Paracetamol
- 1194药典 化学药和生物制品卷-2010 Chapter 15 Vitamins, Minerals and Parenteral and Enteral Nutritional Drugs Section 3 Parenteral Nutritional Drugs 1. Amino Acids (2) Disease-Applicable Amino Acid Preparations Alanyl Glutamine Injection
- GB 1886.372-2023 National food safety standard food additive L-methionylglycine hydrochloride
- 77兽药典 一部-2015 Text Variety Part I Five-painted Acetaminophen Tablets
- 4兽药典 一部-2015 The first part of the text variety is a painting of acetamidobamectin
- 78兽药典 一部-2015 Variety of the text Part 1 Wuhua acetaminophen injection
- 513药典 化学药和生物制品卷-2010 Chapter 6 Drugs for Digestive System Section 9 Drugs for Hepatobiliary Diseases Triglycyllysine Vasopressin
- 5兽药典 一部-2015 The first part of the text variety is Yihua Acetylamino Abamectin Injection
- 38兽药产品说明书范本第一册-2013 Instructions for Wuhua Ganbing Youyejiabaitouni Paracetamol Tablets
- 农业部1759号公告-121-2012 Compilation of National Standards for Veterinary Drugs (Volume 3) Chemical Medicine Paracetamol Suppositories
- 73兽药质量标准2017年版 Chemical Medicine Volume 1 Veterinary Drug Quality Standard Wuhua Paracetamol Suppository
- 39兽药产品说明书范本第一册-2013 Instructions for Wuhua Ganbing Youyejiabaitouni Paracetamol Injection
- 74药典 化学药和生物制品卷-2010 Chapter 1 Drugs for Nervous System Section 4 Anti-migraine Medicine Paracetamol
- 农业部公告第1956号 Method for checking the illegal addition of acetaminophen in ciprofloxacin lactate injection
- GB 1886.368-2023 National Food Safety Standard Food Additive (2S,5R)-N-[4-(2-Amino-2-oxoethyl)phenyl]-5-methyl-2-(propyl-2-)cyclohexane formamide
- 125兽药质量标准汇编(2006至2011年)-2012 Domestic veterinary drug standard acetamidoabamectin (North China Pharmaceutical Group Ainuo Co., Ltd.)
- 96兽药质量标准汇编(2006至2011年)-2012 Domestic veterinary drug standard acetaminobamectin (Hebei Weiyuan Animal Pharmaceutical Co., Ltd.)
- 111兽药质量标准汇编(2006至2011年)-2012 Domestic veterinary drug standard acetaminobamectin (Zhejiang Hisun Pharmaceutical Co., Ltd. (Class III))
- 108兽药质量标准汇编(2006至2011年)-2012 Domestic veterinary drug standard acetaminobamectin (Zhejiang Hisun Pharmaceutical Co., Ltd. (Class II))
- 457兽药质量标准2017年版 Chemical Drugs Volume 2 Veterinary Drug Product Instructions Template Five-drawing Paracetamol Suppository Instructions
- 126兽药质量标准汇编(2006至2011年)-2012 Domestic veterinary drug standard acetamidoabamectin injection (North China Pharmaceutical Group Ainuo Co., Ltd.)
- 97兽药质量标准汇编(2006至2011年)-2012 Domestic Veterinary Drug Standard Acetylamino Abamectin Injection (Hebei Weiyuan Animal Pharmaceutical Co., Ltd.)
- 109兽药质量标准汇编(2006至2011年)-2012 Domestic Veterinary Drug Standard Acetylamino Abamectin Injection (Zhejiang Hisun Pharmaceutical Co., Ltd. (Class II))
- 112兽药质量标准汇编(2006至2011年)-2012 Domestic veterinary drug standard acetaminobamectin injection (Zhejiang Hisun Pharmaceutical Co., Ltd. (Class III))
European Committee for Standardization (CEN), Amino column
- EN 14881:2005 Surface active agents - Determination of N-(3-dimethylaminopropyl)-alkylamide content in alkylamidopropylbetaines - Gas chromatographic method
- EN 15109:2006 Surface active agents - Determination of the active matter content of alkylamidopropylbetaines
- EN 15608:2008 Surface active agents - Quantitative determination of free fatty acid in alkylamidopropylbetaines - Gas-chromatographic method
- EN 12856:1999 Foodstuffs - Determination of acesulfame-K, aspartame and saccharin - High performance liquid chromatographic method
British Standards Institution (BSI), Amino column
- BS EN 14881:2005 Surface active agents - Determination of N-(3-dimethylaminopropyl)-alkylamide content in alkylamidopropylbetaines - Gas chromatographic method
- BS EN 1243:2011 Adhesives. Determination of free formaldehyde in amino and amidoformaldehyde condensates
- BS EN 15109:2006 Surface active agents - Determination of the active matter content of alkylamidopropylbetaines
- BS EN 12856:1999 Foodstuffs - Determination of acesulfame-K, aspartame and saccharin - High performance liquid chromatographic method
- BS EN 15608:2008 Surface active agents - Quantitative determination of free fatty acid in alkylamidopropylbetaines - Gas- chromatographic method
- BS ISO 17531:2002 Photography - Processing chemicals - Specifications for 4-(N-ethyl-N-2- methanesulfonylaminoethyl)-2-methylphenylenediamine sesquisulfate monohydrate
German Institute for Standardization, Amino column
- DIN EN 14881:2005 Surface active agents - Determination of N-(3-dimethylaminopropyl)-alkylamide content in alkylamidopropylbetaines - Gas chromatographic method; English version of DIN EN 14881
- DIN EN 14881:2005-11 Surface active agents - Determination of N-(3-dimethylaminopropyl)-alkylamide content in alkylamidopropylbetaines - Gas chromatographic method; German version EN 14881:2005
- DIN EN 15109:2007-02 Surface active agents - Determination of the active matter content of alkylamidopropylbetaines; German version EN 15109:2006
- DIN EN 15109:2007 Surface active agents - Determination of the active matter content of alkylamidopropylbetaines; English version of DIN EN 15109:2007-02
- DIN 54274:1983 Testing of textiles; quantitative analysis of amino end groups in polyamide fibres
- DIN EN 1243:2011-07 Adhesives - Determination of free formaldehyde in amino and amidoformaldehyde condensates; German version EN 1243:2011
- DIN 54439:2018 Textiles - Methods for the determination of N-N-dimethylacetamide (DMAc) and N,N-dimethylformamide (DMF) in man-made fibres of polyacrylonitrile, polyurethane and aromatic polyamide fibres
- DIN EN 15608:2008-08 Surface active agents - Quantitative determination of free fatty acid in alkylamidopropylbetaines - Gas-chromatographic method; German version EN 15608:2008
- DIN 54439:2018-03 Textiles - Methods for the determination of N-N-dimethylacetamide (DMAc) and N,N-dimethylformamide (DMF) in man-made fibres of polyacrylonitrile, polyurethane and aromatic polyamide fibres
- DIN EN 12856:1999 Foodstuffs - Determination of acesulfame-K, aspartame and saccharin - High performance liquid chromatographic method; German version EN 12856:1999
- DIN EN 15608:2008 Surface active agents - Quantitative determination of free fatty acid in alkylamidopropylbetaines - Gas-chromatographic method; German version EN 15608:2008
- DIN EN 14185-2:2006-08 Non fatty foods - Determination of N-methylcarbamate residues - Part 2: HPLC method with clean-up on a diatomaceous earth column; German version EN 14185-2:2006
Association Francaise de Normalisation, Amino column
- NF T73-294*NF EN 14881:2005 Surface active agents - Determination of N-(3-dimethylaminopropyl)-alkylamide content in alkylamidopropylbetaines - Gas-chromatographic method
- NF EN 1243:2011 Adhésifs - Détermination du formaldéhyde libre dans les condensats de formaldéhyde amino et amido
- NF EN 14881:2005 Agents de surface - Détermination de la teneur en N-(3-diméthylaminopropyl)-alkylamide dans les alkylamidopropylbétaïnes - Méthode par chromatographie en phase gazeuse
- NF T73-285*NF EN 15109:2007 Surface active agents - Determination of the active matter content of alkylamidopropylbetaines.
- NF T76-006*NF EN 1243:2011 Adhesives - Determination of free formaldehyde in amino and amidoformaldehyde condensates.
- NF T73-297*NF EN 15608:2008 Surface active agents - Quantitative determination of free fatty acid in alkylamidopropylbetaines - Gas-chromatographic method.
- NF V03-074*NF EN 12856:2001 Foodstuffs - Determination of acesulfame-K, aspartame and saccharin - High performance liquid chromatographic method.
- NF T75-421:1988 Huiles essentielles de petitgrain mandarinier (citrus {reticulata} blanco) - Détermination de la teneur en n-méthylanthranilate de méthyle - Méthode par chromatographie en phase gazeuse sur colonne remplie et sur colonne capillaire.
TH-TISI, Amino column
Group Standards of the People's Republic of China, Amino column
- T/QGCML 1531-2023 (S)-2-Aminobutanamide hydrochloride
- T/CASME 540-2023 1-Ethyl-3-(3-dimethylaminopropyl)carbodiimide
- T/JAASS 88-2023 5-Aminolevulic Acid technical procedures for application in peach
- T/CPMA 023-2020 Determination of N-methylcarbamoylatedhaemoglobin in blood by liquid chromatography-tandem mass spectrometry
IN-BIS, Amino column
VN-TCVN, Amino column
Danish Standards Foundation, Amino column
- DS/EN 1243:2011 Adhesives - Determination of free formaldehyde in amino and amidoformaldehyde condensates
- DS/EN 14881:2005 Surface active agents - Determination of N-(3-dimethylaminopropyl)-alkylamide content in alkylamidopropylbetaines - Gas chromatographic method
Lithuanian Standards Office , Amino column
- LST EN 1243-2011 Adhesives - Determination of free formaldehyde in amino and amidoformaldehyde condensates
- LST EN 14881-2006 Surface active agents - Determination of N-(3-dimethylaminopropyl)-alkylamide content in alkylamidopropylbetaines - Gas chromatographic method
AENOR, Amino column
- UNE-EN 1243:2011 Adhesives - Determination of free formaldehyde in amino and amidoformaldehyde condensates
- UNE 84698:2007 Cosmetic raw materials. Sunscreens. Diethylhexyl butamido triazone.
- UNE-EN 14881:2006 Surface active agents - Determination of N-(3-dimethylaminopropyl)-alkylamide content in alkylamidopropylbetaines - Gas chromatographic method
- UNE 84697:2017 Cosmetic raw materials. Sunscreens. Benzoic acid, 2-[4-(diethylamino)-2-hidroxybenzoyl]-hexylester. Determination of the purity by gas chromatography.
American Society for Testing and Materials (ASTM), Amino column
- ASTM D5315-04 Standard Test Method for Determination of N-Methyl-Carbamoyloximes and N-Methylcarbamates in Water by Direct Aqueous Injection HPLC with Post-Column Derivatization
- ASTM D5315-92(1998) Standard Test Method for N-Methyl-Carbamoyloximes and N-Methylcarbamates in Water by Direct Aqueous Injection HPLC with Post-Column Derivatization
- ASTM D5315-04(2017)e1 Standard Test Method for Determination of N-Methyl-Carbamoyloximes and N-Methylcarbamates in Water by Direct Aqueous Injection HPLC with Post-Column Derivatization
- ASTM D5315-04(2011) Standard Test Method for Determination of N-Methyl-Carbamoyloximes and N-Methylcarbamates in Water by Direct Aqueous Injection HPLC with Post-Column Derivatization
- ASTM E1759-95 Standard Test Method for Isoaspartic Acid in Proteins Method for the Determination of Asparagine Deamidation Products
- ASTM E1759-95(2003) Standard Test Method for Isoaspartic Acid in Proteins: Method for the Determination of Asparagine Deamidation Products
Professional Standard - Medicine, Amino column
- YY/T 0210-1995 Pharmaceutical intermediate 7-amino-3-desacetoxycephalosporanic acid
- YY/T 1232-2014 Y-Glutamyl transpeptadase test reagent kit (Method of GPNA)
National Health Commission of the People's Republic of China, Amino column
- GB 1886.99-2015 National Food Safety Standard Food Additive L-α-Aspartyl-N-(2,2,4,4-Tetramethyl-3-Trimethylene Sulfide)-D-Alaninamide (Altame)
- GB 1886.354-2021 National Food Safety Standard Food Additive 3-[(4-amino-2,2-dioxo-1H-2,1,3-benzothiadiazin-5-yl)oxy]-2,2-dimethyl- N-Propylpropionamide
PL-PKN, Amino column
- PN Z04193-02-1988 Air purity protection Tests for dimethylcarbamyl chloride Determination of dimethylcarbamyl chloride in work places by gaschromatography with sample enrichment
- PN Z04193-01-1988 Air purity protectionTests for Smethylcarbamyl chloride Introduction and scope of the standard
Professional Standard - Hygiene , Amino column
- WS/T 404.1-2012 Reference intervals for common clinical biochemistry tests.Part 1:Serum alanine aminotransferase,aspartate aminotransferase,alkaline phosphatase and γ-glutamyltansferase
- WS/T 23-1996 Urine.Determination ofδ-aminolevulinic acid.Spectrophotometric method
- WS/T 417-2013 Reference procedure for the measurement of catalytic concentration of γ-Glutamyltransferase
NL-NEN, Amino column
- NEN 2850-1984 Fruit juices - Determination of free amino acids content - Column chromatographic method
Indonesia Standards, Amino column
- SNI 7587.2-2010 Aminohydantoin (AHD) residual test in fish and shrimph with Enzyme Linked Immunoassay (ELISA) method
Korean Agency for Technology and Standards (KATS), Amino column
- KS M 3926-2004 PHOTOGRAPHIC GRADE 4-(N-ETHYL-N-2-METHANESULPHONYLAMINOETHYL)-2-METHYLPHENYLENEDIAMINESESQUISULFATE(MONOHYDRATE)
- KS M 3926-1989(1999) PHOTOGRAPHIC GRADE 4-(N-ETHYL-N-2-METHANESULPHONYLAMINOETHYL)-2-METHYLPHENYLENEDIAMINESESQUISULFATE(MONOHYDRATE)
- KS M ISO 17531:2019 Photography — Processing chemicals — Specifications for 4-(N-ethyl-N-2-methanesulfonylaminoethyl)-2-methylphenylenediamine sesquisulfate monohydrate
ES-UNE, Amino column
- UNE 84695:2017 Cosmetic raw materials. Sunscreens. Benzoic acid, 2-[4-(diethylamino)-2-hydroxybenzoyl]-hexylester.
Japanese Industrial Standards Committee (JISC), Amino column
- JIS K 9531:1976 Xylylazo violet II (2-(2-hydroxy-3-(2,4-xylylcarbamoyl)-1-naphthylazo)-phenol)
- JIS K 7722:1987 Photographic grade 4-(n-ethyl-n-2-methanesulphonylaminoethyl)-2-methylphenylenediamine sesquisulphate monohydrate
- JIS K 9530:1976 Xylylazo violet I (sodium 2-(2-hydroxy-3-(2,4-xylylcarbamoyl)-1-naphthylazo)-1-phenol-4-sulfonate)
American National Standards Institute (ANSI), Amino column
- ANSI PH4.137-1984 Photography (Chemicals) - 4-(N-Ethyl-N-2-Methanesulfonylamino- ethyl)-2-Methylphenylenediamine Sesquisulfate Monohydrate
国家发展和改革委员会, Amino column
- HG/T 3803-2006 Photographic chemicals 4-(N-ethyl-N-2-methanesulfonylaminoethyl)-2-methylphenylenediamine sesquisulfate monohydrate (CD-3)
其他未分类, Amino column
US-CFR-file, Amino column
- CFR 40-721.10683-2013 Protection of Environment. Part721:Significant new uses of chemical substances. Section721.10683:Dialkylamino cocoalkyl alkylamide acid salt (generic).
- CFR 21-73.3106-2013 Food and Drugs. Part73:Listing of color additives exempt from certification. Section73.3106:1,4-Bis[4-(2- methacryloxyethyl) phenylamino]anthraquinone co-polymers.
KR-KS, Amino column
- KS M ISO 17531-2019 Photography — Processing chemicals — Specifications for 4-(N-ethyl-N-2-methanesulfonylaminoethyl)-2-methylphenylenediamine sesquisulfate monohydrate
International Electrotechnical Commission (IEC), Amino column
- IEC 60317-42:2010 Specifications for particular types of winding wires - Part 42: Polyester-amide-imide enamelled round copper wire, class 200
Agricultural Standard of the People's Republic of China, Amino column
- 农业部1025号公告-1-2008 High Performance Liquid Chromatographic Method by post column derivised for Determination of aminoglycosides residues in milk
International Organization for Standardization (ISO), Amino column
- ISO 17531:2002 Photography - Processing chemicals - Specifications for 4-(N-ethyl-N-2-methanesulfonylaminoethyl)-2-methylphenylenediamine sesquisulfate monohydrate
Professional Standard - Commodity Inspection, Amino column
- SN/T 1922-2007 Determination of residues of paracetamol and acetylsalicylic acid in foodstuffs of animal origin for import & export.LC-MS/MS method
Shandong Provincial Standard of the People's Republic of China, Amino column
- DB37/T 3751-2019 High performance liquid chromatography for the detection of acetaminophen and analgin in Banlangen injection
AT-ON, Amino column
- ONORM M 6282-1987 Water analysis; determination ofnitrite; 4-aminobenzene Sulfonamide — N-(l-naphthyl)-1,2-diaminoethane-dihydrochloride spectrometric method
Professional Standard - Environmental Protection, Amino column
- HJ 1025-2019 Post-column Derivatization-High Performance Liquid Chromatography for the Determination of Carbamate Pesticides in Solid Waste
- HJ 960-2018 Soil and sediment— Determination of carbamate pesticides—Post-column derivatization- high performance liquid chromatography
未注明发布机构, Amino column
- ISO 17531:2002/Cor 1:2003 Photography-Processing chemicals- Specifications for 4-(N-ethyl-N-2- methanesulfonylaminoethyl)-2- methylphenylenediaminesesquisulfate monohydrate
ES-AENOR, Amino column
- UNE 81-592-1991 Biological control. Determination of delta-aminolevulinic dehidratase(ALA-D) activity in blood. Spectrometric method