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GB/T 23274.3-2009 Methods for chemical analysis of stannic oxide - Part 3: Determination of arsenic content - Molybdoantimonyarsenate blue spectrophotometric method 120 (USD) via email in 1-3 business day VALID
GB/T 23274.5-2009 Methods for chemical analysis of stannic oxide - Part 5: Determination of antimony content - Malachite green photometric method 120 (USD) via email in 1-3 business day VALID
GB 6711-1986 Method of the determination for the aqueous content of sodium ferrocyanide 15 (USD) via email in 1-3 business day ABOLISHED
GB/T 21525-2008 Inorganic chemical products for industrial use - General method for determination of magnesium content by complexation titration 75 (USD) via email in 1-3 business day VALID
GB/T 27803-2011 Analysis method for solid composition releasing chorine dioxide 180 (USD) via email in 1-3 business day VALID
GB/T 23278.6-2009 Methods for chemical analysis of sodium stannate - Part 6: Determination of free alkali content - Titration 120 (USD) via email in 1-3 business day VALID
GB/T 23278.4-2009 Methods for chemical analysis of sodium stannate - Part 4: Determination of lead content - Flame atomic absorption spectrometry 120 (USD) via email in 1-3 business day VALID
GB/T 23835.10-2009 Lithium perchlorate anhydrous - Part 10: Determination of iron content 120 (USD) via email in 1-3 business day VALID
GB 3051-1982 135 (USD) via email in 1-3 business day ABOLISHED
SN/T 0837.3-1999 Method for the determination of iron in arsenic trioxide for export 90 (USD) via email in 1-3 business day ABOLISHED
GB/T 23948-2009 Inorganic chemicals for industrial use—General method for the determination of water insoluble matter 120 (USD) via email in 1-3 business day VALID
GB 7685-1987 60 (USD) via email in 1-3 business day ABOLISHED
GB/T 23835.11-2009 Lithium perchlorate anhydrous - Part 11: Determination of lead content 120 (USD) via email in 1-3 business day VALID
GB/T 23834.2-2009 Chemical analysis method for stannous sulfate - Part 2: Determination of insoluble substance in hydrochloric acid - Gravimetric method 120 (USD) via email in 1-3 business day VALID
HG/T 3696.3-2011 Inorganic chemicals for industrical usePreparations of standard and reagent solutions for chemical analysisPart 3: Preparations of reagent solutions via email in VALID please email coc@codeofchina.com for quotation
GB/T 23941-2009 Analytical methods of calcium chloride for industrial use 120 (USD) via email in 1-3 business day VALID
HG/T 3696.3-2002 Inorganic chemical products Preparations of reagent solutions for chemical analysis 255 (USD) via email in 1-3 business day ABOLISHED
GB/T 3050-2000 Inorganic chemical products for industrial use;General method for determination of chloride content;Potentiometric method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 23274.8-2009 Methods for chemical analysis of stannic oxide - Part 8: Determination of loss on ignition - Gravimetric method 120 (USD) via email in 1-3 business day VALID
GB/T 30904-2014 Inorganic chemicals for industrial use—Crystal form analysis—X-ray diffraction method 240 (USD) via email in 1-3 business day VALID
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