Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 17518-2012 General method for determination of silicon content of chemical products—Reduced molybdosilicate spectrophotometric method 180.0 via email in 1~3 business day valid
GB/T 23945-2009 Inorganic chemicals for industrial use—General method for the determination of chloride content—Visible turbidimetric method 120.0 via email in 1~3 business day valid
GB/T 23835.8-2009 Lithium perchlorate anhydrous - Part 8: Determination of potassium and sodium content 120.0 via email in 1~3 business day valid
GB/T 23835.7-2009 Lithium perchlorate anhydrous - Part 7: Determination of sulfate content 120.0 via email in 1~3 business day valid
GB/T 23948-2009 Inorganic chemicals for industrial use—General method for the determination of water insoluble matter 120.0 via email in 1~3 business day valid
GB/T 23774-2009 Inorganic chemicas for industrial use - General method for the determination of whiteness 120.0 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
GB/T 23835.3-2009 Lithium perchlorate anhydrous - Part 3: Determination of moisture content 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 19282-2014 Analytic method for lithium hexafluorophosphate 225.0 via email in 1~3 business day valid
HG/T 3696.1-2011 Inorganic chemicals for industrical usePreparations of standard and reagent solutions for chemical analysisPart 1:Preparations of standard volumetric solutions via email in business day valid
GB/T 30904-2014 Inorganic chemicals for industrial use―Crystal form analysis―X-ray diffraction method 225.0 via email in 1~3 business day valid
GB/T 23940-2009 Analytical methods of persulfate products for industrial use 120.0 via email in 1~3 business day valid
GB/T 23946-2009 Inorganic chemicals for industrial use—General method for the determination of lead content—Atomic absorption spectrometry 180.0 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 105.0 via email in 1~3 business day valid
HG/T 3820-2013 Methods of Test for Synthetic Hydrotalcite 210.0 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
GB/T 23835.9-2009 Lithium perchlorate anhydrous - Part 9: Determination of calcium content 120.0 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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