Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 23773-2009 Inorganic chemicals for industrial use - General method for determination of ammonium content - Nesslers reagent colorimetric method 180.0 via email in 1~3 business day valid
GB/T 23951-2009 Inorganic chemicals for industrial use—General method for the determination of residue after ignition 120.0 via email in 1~3 business day valid
GB/T 23834.1-2009 Chemical analysis method for stannous sulfate - Part 1: Determination of stannous sulfate content - Volumetric method of potassium dichromate 120.0 via email in 1~3 business day valid
GB/T 23834.6-2009 Chemical analysis method for stannous sulfate - Part 6: Determination of iron content - 1 10-phenanthroline spectrophotometry 120.0 via email in 1~3 business day valid
GB/T 23842-2009 General method for the determination of silicon content of inorganic chemicals - Reduced molybdosilicate spectrophotometric method 180.0 via email in 1~3 business day valid
GB/T 27569-2011 Production technical regulation for Hydrofluoric acid 300.0 via email in 1~5 business day valid
HG/T 3811-2006 Methods of test for bromide for industrial use 140.0 via email in 1~3 business day valid
GB/T 19282-2014 Analytic method for lithium hexafluorophosphate 210.0 via email in 1~3 business day valid
HG/T 3736-2013 Hydroxylammonium Chloride for Industrial Use 90.0 via email in 1~3 business day valid
GB/T 23835.12-2009 Lithium perchlorate anhydrous - Part 12: Determination of total nitrogen content 120.0 via email in 1~3 business day valid
HG/T 3696.2-2002 Inorganic chemical products Preparations of standard solutions for chemical analysis 180.0 via email in 1~3 business day abolished
GB/T 30906-2014 Determination of sodium tripolyphosphate content of sodium tripolyphosphate―Ion chromatography 90.0 via email in 1~3 business day valid
GB/T 21058-2007 Inorganic chemicals for industrial use—General method for mercury content—Flameless atomic absorption spectrometric method 150.0 via email in 1~3 business day valid
GB/T 23770-2009 Liquid inorganic chemical products - General method for the measurement of colour 180.0 via email in 1~3 business day valid
GB/T 23765-2009 Test method of sodium cyanide and potassium cyanide products 240.0 via email in 1~3 business day valid
GB/T 23835.6-2009 Lithium perchlorate anhydrous - Part 6: Determination of chlorate content 120.0 via email in 1~3 business day valid
GB/T 33426-2016 Rubber shoes--Determination of organotin compounds 160.0 via email in 1~3 business day valid
GB/T 23834.4-2009 Chemical analysis method for stannous sulfate - Part 4: Determination of lead and copper content - Flame atomic absorption spectrometry 120.0 via email in 1~3 business day valid
GB/T 27803-2011 Analysis method for solid composition releasing chorine dioxide 150.0 via email in 1~3 business day valid
GB/T 23761-2009 Test method of photocatalytic materials for air purification 180.0 via email in 1~3 business day valid
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