Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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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 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 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
GB/T 23940-2009 Analytical methods of persulfate products for industrial use 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 105.0 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
GB/T 27803-2011 Analysis method for solid composition releasing chorine dioxide 150.0 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 180.0 via email in 1~3 business day valid
GB/T 23762-2009 Test method of photocatalytic materials for purification of water solution 180.0 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 23941-2009 Analytical methods of calcium chloride for industrial use 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
GB/T 19281-2014 Analytic method for calcium carbonate 480.0 via email in 1~5 business day valid
GB/T 21525-2008 Inorganic chemical products for industrial use - General method for determination of magnesium content by complexation titration 75.0 via email in 1~3 business day valid
GB/T 23840-2009 Inorganic chemical products - General rules for potentiometric titration 360.0 via email in 1~3 business day valid
GB/T 23950-2009 Inorganic chemicals for industrial use—General method for determination of heavy metals 120.0 via email in 1~3 business day valid
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