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Measuring free ammonia in water

Measuring free ammonia in water, Total:428 items.

In the international standard classification, Measuring free ammonia in water involves: Water quality, Biology. Botany. Zoology, Fertilizers, Fruits. Vegetables, Animal feeding stuffs, Plastics, Adhesives, Tea. Coffee. Cocoa, Beverages, Ceramics, Rubber and plastics products, Products of the chemical industry, Construction materials, Farming and forestry, Laboratory medicine, General methods of tests and analysis for food products, Fuels, Paints and varnishes, Organic chemicals, Geology. Meteorology. Hydrology, Lubricants, industrial oils and related products, Products of the textile industry, Power stations in general, Food products in general, Tobacco, tobacco products and related equipment, Environmental protection, TESTING, Sports equipment and facilities, Edible oils and fats. Oilseeds, Non-metalliferous minerals, Meat, meat products and other animal produce, Paint ingredients, Pulps, Wood-based panels, Coals, Medical sciences and health care facilities in general, Burners. Boilers, Leather technology, Rubber, Pesticides and other agrochemicals, Vocabularies, Mining equipment, Agricultural machines, implements and equipment, Raw materials for rubber and plastics.


ZA-SANS, Measuring free ammonia in water

国家市场监督管理总局、中国国家标准化管理委员会, Measuring free ammonia in water

  • GB/T 30987-2020 Determination of free amino acids in plant
  • GB/T 13086-2020 Method for determination of free gossypol in feeds
  • GB/T 15399-2018 Determination of sulfur amino acids in feeds—Ion exchange chromatography
  • GB/T 38411-2019 Leather chemicals—Determination of the free formaldehyde in leather process auxiliaries
  • GB/T 41225-2021 Limit and determination of free phenols in phenoxy carboxylic acid herbicides

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Measuring free ammonia in water

  • GB/T 30987-2014 Determination of free amino acids in plants
  • GB/T 12292-1990 Juice of fruits and vegetables--Determination of free amino acid
  • GB/T 23737-2009 Determination of free canavanine in feeds.Ion exchange chromatography
  • GB/T 8314-2002 Tea--Determination of free amino acids content
  • GB/T 8314-2013 Tea.Determination of free amino acids content
  • GB/T 5473-2016 Plastics.Phenol formaldehyde mouldings.Detection of free ammonia
  • GB/T 10514-1989 The determination of water content for nitrophosphate--Oven method
  • GB/T 10514-2012 Determination of free water for nitrophosphate.Oven method
  • GB 10514-1989 The determination of water content for nitrophosphate—Oven method
  • GB/T 27593-2011 Textile dyeing and finishing auxiliaries.Determination of free formaldehyde content of amino resin agent
  • GB/T 8577-2002 Determination of free water for compound fertilizers-Karl Fischer method
  • GB/T 8576-2002 Determination of free water for compound fertilizers--Vacuum oven method
  • GB/T 10513-1989 The determination of water content for nitrophosphate--Karl Fischer method
  • GB/T 8576-2010 Determination of free water for compound fertilizers.Vacuum oven method
  • GB/T 8577-2010 Determination of free water for compound fertilizers.Karl Fischer method
  • GB/T 10513-2012 Determination of free water for nitrophosphate.Karl fischer method
  • GB/T 2947-2002 Determination of free water in urea and ammonium nitrate by karl fischer method
  • GB/T 30517-2014 Test method for free water in liquefied petroleum gas.Visual inspection
  • GB/T 13086-1991 Method for determination of free gossypol in feeds
  • GB/T 5474-1985 Phenol-formaldehyde mouldings--Determination of free ammonia and ammonium compounds--Colorimetric comparison method
  • GB/T 5009.148-2003 Determination of gossypol in vegetable foods
  • GB/T 28629-2012 Methods for chemical analysis of free silicon dioxide for cement clinker
  • GB/T 5474-2016 Plastics.Phenol formaldehyde mouldings.Determination of free ammonia and ammonium compounds.Colorimetric comparison method
  • GB/T 18204.29-2000 Method for determination of urea in water of swimming place
  • GB/T 28629-2012(英文版) Methods for chemical analysis of free silicon dioxide in cement clinker
  • GB/T 14489.3-1993 Method for determination of free fatty acids content of oils in oilseeds
  • GB/T 2382-1995 Determination of content of free sulphur in sulphur dyes
  • GB/T 7130-1986 Determination of free phenols in phenol-formaldehyde mouldings--Iodometric method
  • GB/T 12660-1990 Pulps--Determination of drainability--"Canadian standard" freeness method
  • GB/T 5544-1985 Resin finishing agent--Determination of free formaldehyde content
  • GB/T 12660-2008 Plups.Determination of drainability."Canadian standard" freeness method
  • GB/T 3514-1992 Rubber,Vulcanized-dtermination of free sulphur content Sodium sulphite method
  • GB/T 30773-2014 Determination of residual phenol content in phenolic resins by gas chromatography
  • GB/T 15399-1994 Determination of sulfur amino acids in feedstuffs--Ion exchange chromatography
  • GB/T 2912.1-1998 Textiles--Determination of formaldehyde--Part 1: Free and hydrolized formaldehyde (Water extraction method)
  • GB/T 31195-2014 High chloride high ammonia wastewater.Determination of chemical oxygen demand.Chloride ion calibration method
  • GB/T 28769-2012 Test method for determination of free glycerol content in Fatty Acid Methyl Esters(FAME) by gas chromatography
  • GB/T 2912.1-2009 Textiles.Determination of formaldehyde.Part 1:Free and hydrolyzed formaldehyde(water extraction method)

ES-AENOR, Measuring free ammonia in water

NL-NEN, Measuring free ammonia in water

  • NEN 6644-1983 Water - Calculation of free ammoniac content
  • NEN 2850-1984 Fruit juices - Determination of free amino acids content - Column chromatographic method
  • NEN 2863-1989 Fruit juices Determination of free tartaric acid content of grape juice - Titrimetric method

Professional Standard - Agriculture, Measuring free ammonia in water

  • NY/T 1975-2010 Water-soluble fertilizers.Determination of amino-acids content
  • GB 12292-1990 Determination of free amino acid content in fruit and vegetable juice
  • GB/T 8314-1987 Determination of Total Free Amino Acids in Tea
  • GB 8575-1988 Determination of free water content in compound fertilizer
  • NY/T 2012-2011 Determination of free phenolic acid in fruits and derived products
  • GB 8576-1988 Determination of free water content in compound fertilizer by vacuum oven method
  • GB/T 17334-1998 Determination of free gossypol in food
  • GB 10513-1989 Determination of free water content in nitrophosphate fertilizer Karl Fischer method
  • GB 7456-1987 Determination of total free base content in soap
  • GB 13086-1991 Determination method of free gossypol in feed
  • GB 7455-1987 Determination of free caustic content in soap
  • NY/T 1797-2009 Method for determination of free fatty acids content in rapeseed-Titrimetric method
  • GB 8577-1988 Determination of Swimming Water Content in Compound Fertilizer by Karl Fischer Method

CZ-CSN, Measuring free ammonia in water

  • CSN 64 0236-1963 Detection of free Amonia in phenol ormaldehyde mouldings Qualitative method)
  • CSN 83 0540 Cast.10-1984 Chemical and physical analysis of waste water Determlnation of ammoMa and ammonium lons
  • CSN 83 0520 Cast.19-1976 Physico-chemical analysis of drinking water. Determination of ammonia and ammonium ions
  • CSN 66 6140-1981 Method for determination of tho total content of freo polyethyloneglycols and active matter in non-ionic SAA.

RU-GOST R, Measuring free ammonia in water

  • GOST 27749.2-1988 Carbamid. Method of free ammonia content determination
  • GOST ISO 1271-2014 Essential oils. Determination of carbonyl value. Free hydroxylamine method
  • GOST 32799-2014 Juice products. Determination of free amino acids by ion-exchange chromatography
  • GOST R 54743-2011 Juice products. Determination of free amino acids by ion-exchange chromatography method
  • GOST 11233-1965 Plastics. Methods for the determination of free ammonia content and ammonium compounds
  • GOST R ISO 17608-2017 Textiles. Bare elastane yarns. Determination of resistance to chlorinated water (swimming-pool water)
  • GOST 34134-2017 Meat and meat products. Determination of free carbohydrates
  • GOST 23268.10-1978 Drinking medicinal, medicinal-table and natural-table mineral waters. Method of determination of ammonium ions
  • GOST ISO 14184-1-2014 Textiles. Determination of formaldehyde. Part 1. Free and hydrolysed formaldehyde (water extraction method)

Professional Standard - Commodity Inspection, Measuring free ammonia in water

  • SN/T 2784-2011 Detection method of free ammonia in imported phenolic plastics
  • SN/T 3802-2014 Determination of free diisocyanate esters in polyurethane adhesives used in building for import and export
  • SN/T 3344-2012 Determination of free glycerin in crude glycerin.Gas chromatography
  • SN/T 2554-2010 Determination of free formaldehyde in adhesives used in building for import and export
  • SN/T 3350-2012 Determination of free phenol in phenolic resin adhesives used in buliding for import and export

RO-ASRO, Measuring free ammonia in water

  • STAS 5799-1986 PLASTICS Detection and determination of free ammonia of phenol-formaldehyde mouldings
  • STAS 10847-1977 DRINKING WATER Determination of free cyanides
  • STAS 5958-1976 FRUIT AND VEGETABLE PRODUCTS Determinat ion of total and free sulpphur dioxide
  • STAS 10387/8-1976 CALCIUM ALUMINATE CEMENTS FOR REFRACTORY CONCRETE Determination of free calcium oxyde content

British Standards Institution (BSI), Measuring free ammonia in water

  • DD CEN/TS 15560:2007 Fertilizers. Determination of total nitrogen in calcium cyanamide nitrate free
  • BS EN 1243:2011 Adhesives. Determination of free formaldehyde in amino and amidoformaldehyde condensates
  • BS ISO 1271:1983 Essential oils - Determination of carbonyl value - Free hydroxylamine method
  • BS ISO 17608:2015 Textiles. Bare elastane yarns. Determination of resistance to chlorinated water (swimming-pool water)
  • BS EN ISO 14184-1:2011 Textiles. Determination of formaldehyde. Free and hydrolised formaldehyde (water extraction method)
  • BS EN 15608:2008 Surface active agents - Quantitative determination of free fatty acid in alkylamidopropylbetaines - Gas- chromatographic method
  • BS EN ISO 11402:2005 Phenolic, amino and condensation resins - Determination of free-formaldehyde content
  • BS EN ISO 120:1978 Plastics. Phenol-formaldehyde mouldings. Determination of free ammonia and ammonium compounds. Colorimetric comparison method
  • BS EN ISO 120:1998 Plastics - Phenol-formaldehyde mouldings - Determination of free ammonia and ammonium compounds - Colorimetric comparison method
  • BS ISO 14849:1999 Plastics - Phenol-formaldehyde mouldings - Determination of free ammonia and ammonium compounds - Indophenol method
  • BS EN ISO 14184-1:1999 Textiles - Determination of formaldehyde - Free and hydrolyzed formaldehyde (water extraction method)
  • BS EN ISO 7393-3:2000 Water quality. Determination of free chlorine and total chlorine. Iodometric titration method for the determination of total chlorine
  • BS ISO 23919:2020 Cigarettes. Determination of ammonia in cigarette mainstream smoke using ion chromatography
  • BS EN 15469:2007 Petroleum products - Test method for free water in liquefied petroleum gas by visual inspection
  • 19/30378090 DC BS EN ISO 27587. Leather. Chemical tests. Determination of the free formaldehyde in process auxiliaries
  • BS EN ISO 27587:2010 Leather. Chemical tests. Determination of the free formaldehyde in process auxiliaries
  • BS EN ISO 27587:2009 Leather - Chemical tests - Determination of the free formaldehyde in process auxiliaries
  • BS EN ISO 27587:2021 Leather. Chemical tests. Determination of free formaldehyde in process auxiliaries
  • 19/30394348 DC BS ISO 23919. Cigarettes. Determination of ammonia in cigarette mainstream smoke using ion chromatography
  • BS EN ISO 7393-3:1990 Water quality. Determination of free chlorine and total chlorine. Iodometric titration method for the determination of total chlorine

CEN - European Committee for Standardization, Measuring free ammonia in water

  • PD CEN/TS 15560:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free

Japanese Industrial Standards Committee (JISC), Measuring free ammonia in water

  • JIS K 7230:1995 Determination of free ammonia in phenol-formaldehyde moldings
  • JIS K 0450-60-10:2007 Testing method for individual 4-nonylphenol isomers in industrial water and wastewater
  • JIS K 7230:2007 Plastics -- Phenol-formaldehyde mouldings -- Determination of free ammonia and ammonium compounds (Indophenol method)
  • JIS K 7239:1991 Determination of free acid in acid anhydride-based hardeners for epoxide resins

Danish Standards Foundation, Measuring free ammonia in water

  • DS/EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
  • DS/EN 1243:2011 Adhesives - Determination of free formaldehyde in amino and amidoformaldehyde condensates
  • DS/EN ISO 172:1999 Plastics - Phenol-formaldehyde mouldings - Detection of free ammonia
  • DS/EN 12742:1999 Fruit and vegetable juices - Determination of the free amino acids content - Liquid chromatographic method
  • DS/EN 15469:2008 Petroleum products - Test method for free water in liquefied petroleum gas by visual inspection
  • DS/EN 15608:2008 Surface active agents - Quantitative determination of free fatty acid in alkylamidopropylbetaines - Gas-chromatographic method
  • DS/EN ISO 11402/AC:2006 Phenolic, amino and condensation resins - Determination of free-formaldehyde content
  • DS/EN ISO 11402:2005 Phenolic, amino and condensation resins - Determination of free-formaldehyde content
  • DS/EN ISO 120:1999 Plastics - Phenol-formaldehyde mouldings - Determination of free ammonia and ammonium compounds - Colorimetric comparison method
  • DS/EN ISO 27587:2009 Leather - Chemical tests - Determination of the free formaldehyde in process auxiliaries
  • DS/ISO 27587:2021 Leather – Chemical tests – Determination of free formaldehyde in process auxiliaries
  • DS/EN ISO 27587:2021 Leather – Chemical tests – Determination of free formaldehyde in process auxiliaries (ISO 27587:2021)
  • DS/EN ISO 14184-1:2011 Textiles - Determination of formaldehyde - Part 1: Free and hydrolised formaldehyde (water extraction method)
  • DS/EN ISO 7393-3:2001 Water quality - Determination of free chlorine and total chlorine - Part 3: Iodometric titration method for the determination of total chlorine

Lithuanian Standards Office , Measuring free ammonia in water

  • LST EN 15560-2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
  • LST EN 1243-2011 Adhesives - Determination of free formaldehyde in amino and amidoformaldehyde condensates
  • LST EN 12742-2000 Fruit and vegetable juices - Determination of the free amino acids content - Liquid chromatographic method
  • LST EN 15469-2008 Petroleum products - Test method for free water in liquefied petroleum gas by visual inspection
  • LST EN ISO 172:2000 Plastics - Phenol-formaldehyde mouldings - Detection of free ammonia (ISO 172:1978)
  • LST EN 15608-2008 Surface active agents - Quantitative determination of free fatty acid in alkylamidopropylbetaines - Gas-chromatographic method
  • LST EN ISO 120:2000 Plastics - Phenol-formaldehyde mouldings - Determination of free ammonia and ammonium compounds - Colorimetric comparison method (ISO 120:1977)
  • LST EN ISO 11402:2005 Phenolic, amino and condensation resins - Determination of free-formaldehyde content (ISO 11402:2004)
  • LST EN ISO 11402:2005/AC:2006 Phenolic, amino and condensation resins - Determination of free-formaldehyde content (ISO 11402:2004)
  • LST EN ISO 27587:2010 Leather - Chemical tests - Determination of the free formaldehyde in process auxiliaries (ISO 27587:2009)
  • LST EN ISO 27587:2021 Leather - Chemical tests - Determination of free formaldehyde in process auxiliaries (ISO 27587:2021)

AENOR, Measuring free ammonia in water

  • UNE-EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
  • UNE 84122:2015 Cosmetic raw materials. Determination of free amidoamine in alkylamidobetaines.
  • UNE-EN 1243:2011 Adhesives - Determination of free formaldehyde in amino and amidoformaldehyde condensates
  • UNE-EN 12742:2000 Fruit and vegetable juices - Determination of the free amino acids content - Liquid chromatographic method
  • UNE-EN 15469:2008 Petroleum products - Test method for free water in liquefied petroleum gas by visual inspection
  • UNE-EN ISO 172:1999 PLASTICS - PHENOL-FORMALDEHYDE MOULDINGS - DETECTION OF FREE AMMONIA (ISO 172:1978)
  • UNE-EN 15608:2009 Surface active agents - Quantitative determination of free fatty acid in alkylamidopropylbetaines - Gas-chromatographic method
  • UNE-EN ISO 120:1999 PLASTICS - PHENOL-FORMALDEHYDE MOULDINGS - DETERMINATION OF FREE AMMONIA AND AMMONIUM COMPOUNDS. COLORIMETRIC COMPARISON METHOD (ISO 120:1977).
  • UNE-EN ISO 11402:2006 Phenolic, amino and condensation resins - Determination of free-formaldehyde content (ISO 11402:2004)
  • UNE 51132:1985 FREE WATER AND PARTICULATE CONTAMINATION IN DISTILLATE FUELS (CLEAR AND BRIGHT PASS/FAIL PROCEDURE). TEST FOR
  • UNE 83989:2015 Durability of concrete. Test methods. Determination of the free chloride in concrete.
  • UNE-EN ISO 27587:2010 Leather - Chemical tests - Determination of the free formaldehyde in process auxiliaries (ISO 27587:2009)
  • UNE 84127:2002 Cosmetic raw materials.Trichlorocarbanilide. Determination of free chloroanilines in trichlorocarbanilide.

German Institute for Standardization, Measuring free ammonia in water

  • DIN EN 15560:2021 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; German and English version prEN 15560:2021
  • DIN EN 1243:2011-07 Adhesives - Determination of free formaldehyde in amino and amidoformaldehyde condensates; German version EN 1243:2011
  • DIN EN ISO 172:1998 Plastics - Phenol-formaldehyde mouldings - Detection of free ammonia (ISO 172:1978); German version EN ISO 172:1998
  • DIN EN ISO 172:1998-10 Plastics - Phenol-formaldehyde mouldings - Detection of free ammonia (ISO 172:1978); German version EN ISO 172:1998
  • DIN EN 1243:2011 Adhesives - Determination of free formaldehyde in amino and amidoformaldehyde condensates; German version EN 1243:2011
  • DIN EN 12742:1999-04 Fruit and vegetable juices - Determination of the free amino acids content - Liquid chromatographic method; German version EN 12742:1999
  • DIN EN ISO 120:1998-10 Plastics - Phenol-formaldehyde mouldings - Determination of free ammonia and ammonium compounds; Colorimetric comparison method (ISO 120:1977); German version EN ISO 120:1998
  • 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 ISO 11402:2005 Phenolic, amino and condensation resins - Determination of free-formaldehyde content (ISO 11402:2004); German version of EN ISO 11402:2005
  • DIN EN ISO 11402 Berichtigung 1:2006 Phenolic, amino and condensation resins - Determination of free-formaldehyde content (ISO 11402:2004); German version EN ISO 11402:2005, Corrigenda to DIN EN ISO 11402:2005-09; German version EN ISO 11402:2005/AC:2006
  • DIN EN ISO 11402:2005-09 Phenolic, amino and condensation resins - Determination of free-formaldehyde content (ISO 11402:2004); German version of EN ISO 11402:2005
  • DIN EN ISO 11402 Berichtigung 1:2006-11 Phenolic, amino and condensation resins - Determination of free-formaldehyde content (ISO 11402:2004); German version EN ISO 11402:2005, Corrigenda to DIN EN ISO 11402:2005-09; German version EN ISO 11402:2005/AC:2006
  • 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 EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; English version of DIN EN 15560:2009-06
  • DIN EN ISO 120:1998 Plastics - Phenol-formaldehyde mouldings - Determination of free ammonia and ammonium compounds; Colorimetric comparison method (ISO 120:1977); German version EN ISO 120:1998
  • DIN EN ISO 27587:2021-06 Leather - Chemical tests - Determination of free formaldehyde in process auxiliaries (ISO 27587:2021); German version EN ISO 27587:2021
  • DIN EN 15469:2008-02 Petroleum products - Test method for free water in liquefied petroleum gas by visual inspection; German version EN 15469:2007
  • DIN EN 15469:2008 Petroleum products - Test method for free water in liquefied petroleum gas by visual inspection; English version of DIN EN 15469:2008-02
  • DIN EN ISO 27587:2019 Leather - Chemical tests - Determination of the free formaldehyde in process auxiliaries (ISO/DIS 27587:2019); German and English version prEN ISO 27587:2019
  • DIN EN ISO 14911:1999 Water quality - Determination of dissolved Li<(hoch)+>, Na<(hoch)+>, NH<(Index)4><(hoch)+>, K<(hoch)+>, Mn<(hoch)2+>, Ca<(hoch)2+>, Mg<(hoch)2+>, Sr<(hoch)2+> and Ba<(hoch)2+> using ion chromatography - Method for water and waste water (ISO 14911:1998); G
  • DIN 38406-5:1983-10 German standard methods for the examination of water, waste water and sludge; cations (group E); determination of ammonia-nitrogen (E 5)
  • DIN EN ISO 7327:1997 Plastics - Hardeners and accelerators for epoxide resins - Determination of free acid in acid anhydride (ISO 7327:1994); German version EN ISO 7327:1997
  • DIN 10780:2003-02 Instant coffee - Determination of free and total carbohydrate contents - Method using high-performance anion-exchange chromatography

(U.S.) Ford Automotive Standards, Measuring free ammonia in water

SE-SIS, Measuring free ammonia in water

Group Standards of the People's Republic of China, Measuring free ammonia in water

  • T/NAIA 0170-2022 Determination of Free Chlorine in Water On-Site Method
  • T/GXAF 0010-2023 Spectrophotometric method for the determination of free amino acid content in water-soluble fertilizers
  • T/SHSYCXH 11-2022 Determination of free amino acids in serum—Liquid chromatography tandem mass spectrometry
  • T/NAIA 0206-2023 Determination of Free Amino Acids in Edible Fungi by Liquid Chromatography-Mass Spectrometry
  • T/JMZJXH 006-2020 Determination of ethyl carbamate content in the coating —Gas chromatography-mass spectrometry
  • T/NAIA 0196-2023 Determination of 16 Free Amino Acids in Wine by Liquid Chromatography-Tandem Mass Spectrometry
  • T/NAIA 0169-2022 Water Quality Determination of Ammonia Nitrogen by Ion Chromatography
  • T/CSTM 00185-2021 Test method for the content of free quartz in kaolin clay
  • T/PZSGXH 001-2021 Determination of free phenol content in phenolic piywood
  • T/CPMA 020-2020 The turbidimetry for cyanuric acid in swimming pool water
  • T/CPMA 021-2020 Method of on-site detection of ammonia nitrogen in drinking water - Salicylic Acid Method

PT-IPQ, Measuring free ammonia in water

Association Francaise de Normalisation, Measuring free ammonia in water

  • NF EN 1243:2011 Adhésifs - Détermination du formaldéhyde libre dans les condensats de formaldéhyde amino et amido
  • NF EN 12742:1999 Jus de fruits et de légumes - Dosage des teneurs en acides aminés libres - Méthode par chromatographie en phase liquide.
  • NF T73-280*NF EN 13435:2002 Surface active agents - Determination of free amine content of alkyl dimethyl betaines.
  • NF T51-008*NF EN ISO 172:1998 Plastics. Phenol-formaldehyde mouldings. Detection of free ammonia.
  • NF T90-108:1978 TESTING WATER: DETERMINATION OF FREE CYANIDES CONTENT.
  • NF EN ISO 11402:2005 Résines phénoliques, aminiques et de condensation - Dosage du formaldéhyde libre
  • NF EN ISO 172:1998 Plastiques - Pièces moulées à base de phénoplastes - Recherche de la présence d'ammoniac libre.
  • NF ISO 17608:2015 Textiles - Fils d'élasthanne nu - Détermination de la résistance à l'eau chlorée (eau de piscine)
  • NF EN ISO 120:1998 Plastiques - Pièces moulées à base de phénoplastes - Dosage de l'ammoniac libre et des composes ammoniacaux. Méthode par comparaison colorimétrique.
  • NF T51-405*NF EN ISO 11402:2005 Phenolic, amino and condensation resins - Determination of free-formaldehyde content.
  • NF T51-009*NF EN ISO 120:1998 Plastics. Phenol-formaldehyde mouldings. Determination of free ammonia and ammonium compounds. Colorimetric comparison method.
  • NF M60-824:2020 Nuclear energy - Measurement of radioactivity in the environment - Test method for the analysis of tritium in free water and organically bound tritium in environmental matrices
  • NF G52-223*NF EN ISO 27587:2021 Leather - Chemical tests - Determination of free formaldehyde in process auxiliaries
  • NF EN ISO 27587:2021 Cuir - Essais chimiques - Dosage du formaldéhyde libre dans les auxiliaires de traitement
  • NF G52-223:2009 Leather - Chemical tests - Determination of the free formaldehyde in process auxiliaries.
  • NF M41-005*NF EN 15469:2008 Petroleum products - Test method for free water in liquefied petroleum gas by visual inspection
  • NF T52-140:1980 Plastics-basic materials for polyurethanes. Determination of the free tolyylenediisocyanate content of prepolymers gas chromatography method.
  • NF EN ISO 14184-1:2011 Textiles - Dosage du formaldéhyde - Partie 1 : formaldéhyde libre et hydrolysé (méthode par extraction d'eau)
  • NF ISO 11292:1995 Café soluble - Détermination des teneurs en hydratés de carbone libres et totaux - Méthode par chromatographie d'échange d'anions à haute performance.
  • NF EN ISO 7393-3:2000 Qualité de l'eau - Dosage du chlore libre et du chlore total - Partie 3 : méthode par titrage iodométrique pour le dosage du chlore total

Korean Agency for Technology and Standards (KATS), Measuring free ammonia in water

  • KS M 3711-2018 Determination of free ammonia in phenol-formaldehyde molding
  • KS L 4002-2007 Testing method for free moisture in ceramic whiteware clays
  • KS M ISO 172-2002(2017) Plastics-Phenol-formaldehyde mouldings-Determination of free ammonia
  • KS M ISO 172:2022 Plastics — Phenol-formaldehyde mouldings — Detection of free ammonia
  • KS M 2038-2007 Testing method for free acid, free alkali and insoluble carbonate of lubricating grease
  • KS M 2038-1985 Testing method for free acid, free alkali and insoluble carbonate of lubricating grease
  • KS L 4002-2007(2022) Testing method for free moisture in ceramic whiteware clays
  • KS M ISO 11402-2006(2017) Phenolic amino and condensation resins-Determination of free-formaldehyde content
  • KS M ISO 11402-2006(2022) Phenolic amino and condensation resins-Determination of free-formaldehyde content
  • KS M ISO 11402:2006 Phenolic amino and condensation resins-Determination of free-formaldehyde content
  • KS K ISO 2913:2018 Wool — Colorimetric determination of cystine plus cysteine in hydrolysates
  • KS K ISO 14184-1:2018 Textiles — Determination of formaldehyde — Part 1: Free and hydrolized formaldehyde(water extraction method)
  • KS I ISO 6703-2-2007(2012) Water Quality-Determination of cyanide-Part 2:Determination of easily liberatable cyanide
  • KS I ISO 14911:2009 Water quality-Determination of dissolved Li+, Na+,NH4+, K+, Mn2+, Ca2+, Mg2+, Sr2+ and Ba2+ using ion chromatography-Method for water and waste water
  • KS K ISO 2913:2009 Wool-Colorimetric determination of cystine plus cysteine in hydrolysates
  • KS M ISO 9020:2002 Binders for paints and varnishes-Determination of free-formaldehydecontent of amino resins-Sodium sulfite titrimetric method
  • KS M ISO 9020:2005 Binders for paints and varnishes-Determination of free-formaldehydecontent of amino resins-Sodium sulfite titrimetric method
  • KS I ISO 7393-3:2007 Water quality-Determination of free chlorine and total chlorine-Part 3:Iodometric titration method for the determination of total chlorine
  • KS M ISO 5267-2:2017 Pulp-Determination of drainability-Part 2: “Canadian Stanard” freeness method
  • KS I ISO 14403-2007(2017) Water quality-Determination of total cyanide and free cyanide by continuous flow analysis
  • KS H ISO 11292-2007(2012) Instant coffee-Determination of free and total carbohydrate contents-Method using high-performance anion-exchange chromatography
  • KS H ISO 11292-2007(2021) Instant coffee-Determination of free and total carbohydrate contents-Method using high-performance anion-exchange chromatography
  • KS I ISO 7393-3-2007(2017) Water quality-Determination of free chlorine and total chlorine-Part 3:Iodometric titration method for the determination of total chlorine

European Committee for Standardization (CEN), Measuring free ammonia in water

  • EN 1243:2011 Adhesives - Determination of free formaldehyde in amino and amidoformaldehyde condensates
  • EN ISO 120:1998 Plastics - Phenol-Formaldehyde Mouldings - Determination of Free Ammonia and Ammonium Compounds - Colorimetric Comparison Method
  • EN ISO 172:1998 Plastics - Phenol-Formaldehyde Mouldings - Detection of Free Ammonia ISO 172:1978
  • EN 15608:2008 Surface active agents - Quantitative determination of free fatty acid in alkylamidopropylbetaines - Gas-chromatographic method
  • EN 14952:2005 Surfaces for sports areas - Determination of water absorption of unbound minerals
  • EN ISO 11402:1998 Plastics - Condensation Resins - Determination of Free Formaldehyde ISO 11402:1993
  • EN ISO 14184-1:2011 Textiles - Determination of formaldehyde - Part 1: Free and hydrolysed formaldehyde (water extraction method) (ISO 14184-1:2011)
  • EN 15469:2007 Petroleum products - Test method for free water in liquefied petroleum gas by visual inspection
  • EN ISO 27587:2021 Leather - Chemical tests - Determination of free formaldehyde in process auxiliaries (ISO 27587:2021)
  • EN ISO 27587:2009 Leather - Chemical tests - Determination of the free formaldehyde in process auxiliaries (ISO 27587:2009)
  • EN ISO 7393-3:2000 Water Quality - Determination of Free Chlorine and Total Chlorine - Part 3: Iodometric Titration Method for the Determination of Total Chlorine
  • EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free

Professional Standard - Light Industry, Measuring free ammonia in water

  • QB/T 4356-2012 Determination of free amino acids in Chinese rice wine.High performance liquid chromatography
  • QB/T 5197-2017 Determination of 12 kinds of free amino acids in wines.High performance liquid chromatography
  • QB/T 3749-1999 Determination of total free base content in soap
  • QB/T 3748-1999 Determination of free caustic content in AE soap
  • QB/T 2623.2-2003 Test methods of soaps Determination of free alkali content in soaps
  • QB/T 2623.1-2003 Test methods of soaps Determination of free caustic alkali content in soaps

Professional Standard - Tobacco, Measuring free ammonia in water

  • YC/T 282-2009 Tobacco leaf.Determination of dissociated amino acid.Amino acids analyzer method
  • YC/T 448-2012 Tobacco and tobacco products.Determination of free amino acids.Ionchromatography with integrated pulsed amperometric method
  • YC/T 377-2010 Cigarettes.Determination of ammonia in mainstream cigarette smoke.Ion chromatography method

International Organization for Standardization (ISO), Measuring free ammonia in water

  • ISO 172:1978 Plastics; Phenol-formaldehyde mouldings; Detection of free ammonia
  • ISO 14849:1999 Plastics - Phenol-formaldehyde mouldings - Determination of free ammonia and ammonium compounds - Indophenol method
  • ISO 120:1977 Plastics; Phenol-formaldehyde mouldings; Determination of free ammonia and ammonium compounds; Colorimetric comparison method
  • ISO 11402:2004 Phenolic, amino and condensation resins - Determination of free-formaldehyde content
  • ISO 27587:2009 | IULTCS/IUC 26 Leather — Chemical tests — Determination of the free formaldehyde in process auxiliaries
  • ISO 27587:2021 | IULTCS/IUC 26 Leather — Chemical tests — Determination of free formaldehyde in process auxiliaries
  • ISO 23919:2020 Cigarettes — Determination of ammonia in cigarette mainstream smoke using ion chromatography
  • ISO 27587:2009 Leather - Chemical tests - Determination of the free formaldehyde in process auxiliaries
  • ISO 27587:2021 Leather - Chemical tests - Determination of free formaldehyde in process auxiliaries
  • ISO 14911:1998 Water quality - Determination of dissolved Li<(hoch)+>, Na<(hoch)+>, NH<(Index)4><(hoch)+>, K<(hoch)+>, Mn<(hoch)2+>, Ca<(hoch)2+>, Mg<(hoch)2+>, Sr<(hoch)2+> and Ba<(hoch)2+> using ion chromatography - Method for water and waste water
  • ISO 14184-1:2011 Textiles - Determination of formaldehyde - Part 1: Free and hydrolysed formaldehyde (water extraction method)
  • ISO 14184-1:1998 Textiles - Determination of formaldehyde - Part 1: Free and hydrolized formaldehyde (water extraction method)
  • ISO 7393-3:1990 Water quality; determination of free chlorine and total chlorine; part 3: iodometric titration method for the determination of total chlorine
  • ISO/WD 5267-2:2023 Pulps — Determination of drainability — Part 2: "Canadian Standard" freeness method
  • ISO/CD 5267-2:2022 Pulps — Determination of drainability — Part 2: "Canadian Standard" freeness method

Canadian General Standards Board (CGSB), Measuring free ammonia in water

American Society for Testing and Materials (ASTM), Measuring free ammonia in water

  • ASTM D2615-70(1976)e1 Method of Free Toluene Diisocyanate in Urethane Polymers by Distillation
  • ASTM D4282-95(2001) Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion
  • ASTM D4282-95 Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion
  • ASTM C324-01 Standard Test Method for Free Moisture in Ceramic Whiteware Clays
  • ASTM C324-82(1999) Standard Test Method for Free Moisture in Ceramic Whiteware Clays
  • ASTM C324-01e1 Standard Test Method for Free Moisture in Ceramic Whiteware Clays
  • ASTM C324-01(2022)e1 Standard Test Method for Free Moisture in Ceramic Whiteware Clays
  • ASTM D4282-02 Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion
  • ASTM D4282-15(2022) Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion
  • ASTM D4282-02(2010) Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion
  • ASTM D4282-02(2015) Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion
  • ASTM D4282-15 Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion
  • ASTM C324-01(2007) Standard Test Method for Free Moisture in Ceramic Whiteware Clays
  • ASTM C324-01(2014) Standard Test Method for Free Moisture in Ceramic Whiteware Clays
  • ASTM D1426-98 Standard Test Methods for Ammonia Nitrogen In Water
  • ASTM C324-01(2022) Standard Test Method for Free Moisture in Ceramic Whiteware Clays
  • ASTM UOP377-13 Free Sulfur in LPG by Mercury Number
  • ASTM UOP286-89 Free Sulfur in Distillates by Mercury Number
  • ASTM D4176-21 Standard Test Method for Free Water and Particulate Contamination in Distillate Fuels (Visual Inspection Procedures)
  • ASTM D4176-93(1997) Standard Test Method for Free Water and Particulate Contamination in Distillate Fuels (Visual Inspection Procedures)
  • ASTM D4176-02 Standard Test Method for Free Water and Particulate Contamination in Distillate Fuels (Visual Inspection Procedures)
  • ASTM D4176-22 Standard Test Method for Free Water and Particulate Contamination in Distillate Fuels (Visual Inspection Procedures)
  • ASTM D4860-08 Standard Test Method for Free Water and Particulate Contamination in Middle Distillate Fuels (Clear and Bright Numerical Rating)
  • ASTM D1426-03 Standard Test Methods for Ammonia Nitrogen In Water
  • ASTM D7237-06 Standard Test Method for Aquatic Free Cyanide with Flow Injection Analysis (FIA) Utilizing Gas Diffusion Separation and Amperometric Detection
  • ASTM D7237-15 Standard Test Method for Free Cyanide and Aquatic Free Cyanide with Flow Injection Analysis (FIA) Utilizing Gas Diffusion Separation and Amperometric Detection
  • ASTM D7237-18 Standard Test Method for Free Cyanide and Aquatic Free Cyanide with Flow Injection Analysis (FIA) Utilizing Gas Diffusion Separation and Amperometric Detection
  • ASTM UOP377-90 Free Sulfur in LPG by Mercury Number
  • ASTM D1179-99 Standard Test Methods for Fluoride Ion in Water
  • ASTM D4860-14 Standard Test Method for Free Water and Particulate Contamination in Middle Distillate Fuels (Clear and Bright Numerical Rating)
  • ASTM D4176-04e1 Standard Test Method for Free Water and Particulate Contamination in Distillate Fuels (Visual Inspection Procedures)
  • ASTM D4176-04 Standard Test Method for Free Water and Particulate Contamination in Distillate Fuels (Visual Inspection Procedures)
  • ASTM D4176-04(2009) Standard Test Method for Free Water and Particulate Contamination in Distillate Fuels (Visual Inspection Procedures)
  • ASTM D4176-04(2014) Standard Test Method for Free Water and Particulate Contamination in Distillate Fuels (Visual Inspection Procedures)
  • ASTM D3868-95(1999) Standard Test Method for Fluoride Ions in Brackish Water, Seawater, and Brines
  • ASTM D4458-09 Standard Test Method for Chloride Ions in Brackish Water, Seawater, and Brines
  • ASTM D3352-08 Standard Test Method for Strontium Ion in Brackish Water, Seawater, and Brines

Professional Standard - Coal, Measuring free ammonia in water

  • MT/T 257-2000 Determination method of free carbon dioxide in coal mine water
  • MT 257-1991 Determination method of free carbon dioxide in coal mine water
  • MT/T 371-1994 Determination method of sulfur ion in coal mine water p-aminodimethylaniline colorimetric method
  • MT/T 202-2008 Determination of calcium ion and magnesium ion in coalmine water
  • MT/T 201-2008 Determination of chlorine ion in coal mine water
  • MT/T 252-2000 Determination method of potassium ion and sodium ion in coal mine water
  • MT/T 203-1995 Determination method of calcium ion and magnesium ion in coal mine water
  • MT 252-1991 Determination method of potassium ion and sodium ion in coal mine water
  • MT/T 360-2005 Determination of fluorine ion in coal mine water
  • MT/T 368-2005 Determination of iron ion in coal mine water
  • MT/T 373-2005 Determination of aluminum ion in coal mine water
  • MT/T 371-2005 Determination of sulfion in coal mine water
  • MT/T 892-2000 Determination of iodide ions in coal mine water
  • MT/T 360-1994 Determination method of fluoride ion in coal mine water
  • MT/T 368-1994 Determination method of iron ion in coal mine water
  • MT/T 373-1994 Determination method of aluminum ion in coal mine water
  • MT/T 201-1995 Determination method of chloride ion in coal mine water
  • MT/T 202-1995 Determination method of calcium ion in coal mine water
  • MT/T 254-2000 Determination method of ammonium ion in coal mine water
  • MT 254-1991 Determination method of ammonium ion in coal mine water

United States Navy, Measuring free ammonia in water

YU-JUS, Measuring free ammonia in water

  • JUS G.S1.710-1984 Plastics. Phenol-formaldehyde mouldings. Determination of free ammonia
  • JUS H.B8.724-1981 Copper sulphate. Determination of free water
  • JUS C.A1.531-1990 Hardetals. Deteralnatitm of insoluble (frrte) carbon content. Gravlmtric method
  • JUS H.N8.165-1991 Pulps. Determination of drainability. "Canadian standard* freeness metbod
  • JUS H.G8.091-1983 Reagents. Calcium sulphate dihydrate. Determination of free acid (as H^SO*) orfreealkali /as Ca(OH)2/ contents. Volumetric method

国家药监局, Measuring free ammonia in water

海关总署, Measuring free ammonia in water

  • SN/T 5223-2019 Determination of 18 free amino acids in honey by high performance liquid chromatography-fluorescence detection method

AR-IRAM, Measuring free ammonia in water

PL-PKN, Measuring free ammonia in water

  • PN C04547 ArkusZ01-1974 Water and waste water Tests for carbon dioxide Determination ot free carbon dioxide in water
  • PN C04603-04-1986 Water and waste water Tests for cyanides Determination of frec combined and total cyanides by potentiometric method with ion selective electrode
  • PN C89060-1959
  • PN C04843-1993 Cosmetic and perfumery products. Detection and determination of free formaldehyde
  • PN C04595 ArkusZ04-1974 Water and waste water Tests for lead Dctermination of lead by dithiocarbamate method
  • PN C04600-06-1989 Water and waste water Tests for chlorine and its compounds content and chlorine demand Determination of free and available chlorine by colorimetric method with diethylparaphenylenediamine (DPD)
  • PN-EN ISO 27587-2021-08 E Leather -- Chemical tests -- Determination of free formaldehyde in process auxiliaries (ISO 27587:2021)

KR-KS, Measuring free ammonia in water

  • KS M ISO 172-2022 Plastics — Phenol-formaldehyde mouldings — Detection of free ammonia
  • KS K ISO 2913-2018 Wool — Colorimetric determination of cystine plus cysteine in hydrolysates
  • KS K ISO 14184-1-2018 Textiles — Determination of formaldehyde — Part 1: Free and hydrolized formaldehyde(water extraction method)
  • KS H ISO 23919-2023 Cigarettes — Determination of ammonia in cigarette mainstream smoke using ion chromatography
  • KS K ISO 2913-2018(2023) Wool — Colorimetric determination of cystine plus cysteine in hydrolysates
  • KS M ISO 9020-2002 Binders for paints and varnishes-Determination of free-formaldehydecontent of amino resins-Sodium sulfite titrimetric method
  • KS M ISO 5267-2-2017 Pulp-Determination of drainability-Part 2: “Canadian Stanard” freeness method
  • KS I ISO 7393-3-2023 Water quality — Determination of free chlorine and total chlorine — Part 3: Iodometric titration method for the determination of total chlorine

Shandong Provincial Standard of the People's Republic of China, Measuring free ammonia in water

Indonesia Standards, Measuring free ammonia in water

  • SNI 06-6876-2002 Test methods of ammonia content in water by ion selective electrode
  • SNI ISO 14184-1:2015 Textiles - Determination of formaldehyde - Part 1: Free and hydrolysed formaldehyde (water extraction method)

Professional Standard - Chemical Industry, Measuring free ammonia in water

  • HG/T 2222-1991 Determination of free moisture in double superphosphate by vacuum oven method
  • HG 2222-1991 Determination of free moisture in double superphosphate by vacuum oven method
  • HG/T 2622-1994 Determination of free formaldehyde content in phenolic resin
  • HG 5-1343-1980 Determination method of free formaldehyde content in phenolic resin
  • 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 2022-1991 Determination of free chlorine and total chlorine in industrial circulating cooling water N,N-Diethyl-1,4-Phenylenediamine titration
  • HG/T 4450-2012 Textile dyeing and finishing auxiliaries.Determination of free glyoxal in resin agent
  • HG/T 2023-1991 Determination of free chlorine and total chlorine in industrial circulating cooling water N,N-Diethyl-1,4-Phenylenediamine spectrophotometric method

GOSTR, Measuring free ammonia in water

  • GOST 34230-2017 Juice products. Determination of free amino acids by high performance liquid chromatography method
  • GOST 33196-2014 Distillate fuels. Determination of free water and particulate contamination by visual inspection method
  • GOST R 59264-2020 Solid mineral fuel. Method for the determination of free calcium oxide in the ash

Association of German Mechanical Engineers, Measuring free ammonia in water

TR-TSE, Measuring free ammonia in water

  • TS 339-1966 PLASTICS DETERMINATION OF FREE AMMONIA AND AMMONIUM COMPOUNDS ?N PHENOL - FORMALDEHYDE MOULDINGS
  • TS 2746-1977 Clays Used For Ceramicware Determination Of Free Moisture Content

Guangdong Provincial Standard of the People's Republic of China, Measuring free ammonia in water

  • DB44/T 924-2011 Test Method for Free Water and Particulate Contaminants in Distillate Fuels Visual Method
  • DB44/T 417-2007 Determination of bromate in drinking water using ion chromatography

Professional Standard - Electricity, Measuring free ammonia in water

  • DL/T 258-2012 Determination of free silica in coal
  • DL/T 1494-2016 Determination of ammonia content in fly ash of coal-fired power plant.Ion chromatography method

Hebei Provincial Standard of the People's Republic of China, Measuring free ammonia in water

  • DB13/T 2763-2018 Rapid Determination Method of Free Acid in Fertilizer
  • DB13/ 4-1991 Determination method of free gossypol in cottonseed cake soy sauce

TH-TISI, Measuring free ammonia in water

  • TIS 15.21-1990 Standard for portland cement.part 21: determination of free calcium sulphate in hydrated portland cement mortars

未注明发布机构, Measuring free ammonia in water

  • BS EN ISO 9020:1998(1999)*BS 6782-7:1996 Binders for paints and varnishes — Determination of free - formaldehyde content ofamino resins — Sodium sulfite titrimetric method
  • BS EN ISO 11402:2005(2006) Phenolic, amino and condensation resins — Determination of free - formaldehyde content
  • DIN EN ISO 14403:2002 Water quality — Determination of total cyanide and free cyanide by continuous flow analysis
  • ISO 11292:1995/Amd 1:1997 Instant coffee - Determination of free and total carbohydrate contents - Method using high-performance anion-exchange chromatography

Professional Standard - Ferrous Metallurgy, Measuring free ammonia in water

  • YB/T 4328-2012 Determination method of free calcium oxide content in steel slag

中华人民共和国环境保护部, Measuring free ammonia in water

Professional Standard - Civil Aviation, Measuring free ammonia in water

  • MH/T 6068-2010 Standard test method for free water, particulate and other contamination in aviation fuel-Field inspection procedures
  • MH/T 6068-2017 Standard test method for free water, particulate and other contamination in aviation fuels.Field inspection procedures

National Metrological Technical Specifications of the People's Republic of China, Measuring free ammonia in water

  • JJF(建材)149-2018 Calibration Specification for Free Calcium Oxide Complexation Reaction Devices in Cement
  • JJF(建材) 149-2018 Calibration specification for free calcium oxide complexation reaction device in cement

Heilongjiang Provincial Standard of the People's Republic of China, Measuring free ammonia in water

  • DB23/T 2751-2020 Determination of free chlorine and total chlorine in water by electrochemical method

BE-NBN, Measuring free ammonia in water

工业和信息化部, Measuring free ammonia in water

  • JC/T 2573-2020 Determination method of free quartz content in kaolin clay
  • QB/T 2623.2-2020 Soap test methods Determination of total free alkali content in soap
  • QB/T 2623.1-2020 Soap test methods Determination of free caustic alkali content in soap

American National Standards Institute (ANSI), Measuring free ammonia in water

  • ANSI/ASTM D6986:2010 Test Method for Free Water, Particulate and Other Contamination in Aviation Fuels (Visual Inspection Procedures)
  • ANSI/ASTM D4755:1995 Test Method for Free Halogens in Halogenated Organic Solvents and their Admixtures

HU-MSZT, Measuring free ammonia in water

BR-ABNT, Measuring free ammonia in water

Tianjin Provincial Standard of the People's Republic of China, Measuring free ammonia in water

  • DB12/T 946-2020 Determination of Amino Acids in Feed by Ion Exchange Chromatography

国家烟草专卖局, Measuring free ammonia in water

  • YC/T 377-2017 Determination of ammonia in mainstream cigarette smoke by ion chromatography

Professional Standard - Hygiene , Measuring free ammonia in water

  • WS/T 22-1996 Fluorophotometric method for determination of free protoporphyrin in blood

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, Measuring free ammonia in water

  • GB/T 33308-2016 Determination of free methanol in cosmetics—Gas chromatography
  • GB/T 35664-2017 Determination of ammonium in the wet precipitation—Ion chromatography

ES-UNE, Measuring free ammonia in water

  • UNE-EN ISO 27587:2022 Leather - Chemical tests - Determination of free formaldehyde in process auxiliaries (ISO 27587:2021)
  • UNE 84127:2021 Cosmetic raw materials.Determination of free chloroanilines in trichlorocarbanilide.

IN-BIS, Measuring free ammonia in water

国家安全生产监督管理总局, Measuring free ammonia in water

  • MT/T 202-2007 Determination of calcium ions and magnesium ions in coal mine water
  • MT/T 201-2007 Determination of chloride ions in coal mine water

Hunan Provincial Standard of the People's Republic of China, Measuring free ammonia in water

  • DB43/T 1403-2018 Water Quality Determination of Ammonia Nitrogen-Gas-liquid Separation and Collection Spectrophotometry

IT-UNI, Measuring free ammonia in water

  • UNI EN ISO 27587:2021 Leather - Chemical tests - Determination of free formaldehyde in process auxiliaries

National Health Commission of the People's Republic of China, Measuring free ammonia in water

  • GB 5009.233-2016 Determination of free mineral acid in vinegar in national food safety standard
  • GB 5009.148-2014 National Food Safety Standard Determination of Free Gossypol in Plant Foods

Professional Standard - Water Conservancy, Measuring free ammonia in water

  • SL 86-1994 Determination of inorganic anions in water (Ion chromatography method)

Taiwan Provincial Standard of the People's Republic of China, Measuring free ammonia in water

  • CNS 12632-2004 Method of test for fruit and vegetable juices and drinks-Determination of free amino acids
  • CNS 7067-1981 Determination of Free Gossypol in Cottonseed Meal or Cake (Feed Grade)
  • CNS 13279-1993 Method of Test for Hazardous Compenents in Sulfate Fertilizers (Determination of Free Sulfuric Acid Content)

Professional Standard - Geology, Measuring free ammonia in water

  • DZ/T 0064.47-1993 Groundwater Quality Testing Method Titration Determination of Free Carbon Dioxide

Anhui Provincial Standard of the People's Republic of China, Measuring free ammonia in water

  • DB34/T 2509-2015 Determination of free glycerol and total glycerol content in biodiesel (BD100)

Professional Standard - Environmental Protection, Measuring free ammonia in water

  • HJ 537-2009 Water quality.Determination of ammonia nitrogen.Distillation-neutralization titration

化学工业部, Measuring free ammonia in water

  • HG 2022-1991 Determination of free chlorine and total chlorine in industrial circulating cooling water N,N--diethyl--1,4--phenylenediamine titration method

Inner Mongolia Provincial Standard of the People's Republic of China, Measuring free ammonia in water

  • DB15/T 2037-2020 Determination of tryptophan in feed by microwave hydrolysis-amino acid automatic analyzer method

VN-TCVN, Measuring free ammonia in water

  • TCVN 7033-2002 Instant coffee.Determination of free and total carbohydrate contents.Method using high-performance anion-exchange chromatography

Professional Standard - Ocean, Measuring free ammonia in water

  • HY/T 169-2013 Test method for bromide ion in seawater and brine.Volumetric analysis

CH-SNV, Measuring free ammonia in water

  • SN EN ISO 27587:2021 Leather - Chemical tests - Determination of free formaldehyde in process auxiliaries (ISO 27587:2021)




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