Number Name Status
  • GB/T 12688.4-2011 《Test method of styrene for industrial use - Part 4:Determination of content of peroxides - Titrimetric method》 Active Products
  • GB/T 12688.5-2011 《Test method of styrene for industrial use - Part 5:Determination of content of total aldehydes - Titrimetric method》 Abolish Products
  • GB/T 18114.11-2010 《Chemical analysis methods of rare earth concentrates - Part 11:Determination of fluorine contentv - EDTA titration》 Active Products
  • GB/T 18114.7-2010 《Chemical analysis methods of rare earth concentrates - Part 7:Determination of iron oxide content - Potassium dichromate titration》 Active Products
  • GB/T 12689.1-2010 《Methods for chemical analysis of zinc and zinc alloys - Part 1: Determination of aluminum content - Chromazurol S-polyethylene glycol octyl phenylether-cetylpyridine bromine spectrophotometry, Chromeazurol S spectrophotometric method and EDTA titrimetry》 Active Products
  • GB/T 8572-2010 《Determination of total nitrogen content for compound fertilizers titrimetric method after distillation》 Active Products
  • GB/T 15916-2012 《Surface active agents - Determination of chelating agent content - Titrimetric method》 Active Products
  • GB/T 8151.1-2012 《Methods for chemical analysis of zinc concentrates - Part 1:Determination of zinc content - Precipitate separation-Na2EDTA titrimetric method and extractive separation-Na2EDTA titrimetric method》 Active Products
  • GB/T 8151.17-2012 《Methods for chemical analysis of zinc concentrates - Part 17:Determination of zinc content - Hydroxide precipitation and Na2EDTA titrimetric method》 Active Products
  • GB/T 8151.18-2012 《Methods for chemical analysis of zinc concentrates - Part 18: Determination of zinc content - Ion-exchange/ Na2EDTA titrimetric method》 Active Products
  • GB/T 6366-2012 《Surface active agents - Determination of mineral sulfate content - Titrimetric method》 Active Products
  • GB/T 7378-2012 《Surface active agents - Determination of alkalinity - Titrimetric method》 Active Products
  • GB/T 6532-2012 《Test method for salt in crude oils(Potentiometric method)》 Active Products
  • GB/T 20166.1-2012 《Chemical analysis methods of rare earth polishing powder - Part 1: Determination of cerium oxide content - Titrimetry》 Active Products
  • GB/T 3286.3-2012 《Methods for chemical analysis of limestone and dolomite - Part 3: The determination of aluminium oxide content - The chrome azurol S spectrophotometric method and the complexometric titration method》 Active Products
  • GB/T 6730.32-2013 《Iron ores - Determination of vanadium content - The ammonium ferrous sulfate titrimetric method》 Active Products
  • GB/T 6730.70-2013 《Iron ores - Determination of total iron content - Titrimetric method after tin(Ⅱ) chloride reduction》 Active Products
  • GB/T 3884.3-2012 《Methods for chemical analysis of copper concentrates - Part 3: Determination of sulfur content - Gravimetric method and Combustion-titration method》 Active Products
  • GB/T 3884.7-2012 《Methods for chemical analysis of copper concentrates - Part 7: Determination of lead content - Na2EDTA titration method》 Active Products
  • GB/T 3884.8-2012 《Methods for chemical analysis of copper concentrates - Part 8: Determination of zinc content - Na2EDTA titration method》 Active Products
  • GB/T 3884.9-2012 《Methods for chemical analysis of copper concentrates - Part 9: Determination of arsenic and bismuth contents - Hydride generation- atomic fluorescence spectrometry method The potassium bromate titration method and The silver diethyl dithiocarbamate photometric mothod》 Active Products
  • GB/T 8151.2-2012 《Methods for chemical analysis of zinc concentrates - Part 2:Determination of sulfur content - The combustion neutralization titrimetric method》 Active Products
  • GB/T 8151.3-2012 《Methods for chemical analysis of zinc concentrates - Part 3: Determination of iron content - Na2EDTA titrimetric method》 Active Products
  • GB/T 8151.7-2012 《Methods for chemical analysis of zinc concentrates - Part 7: Determination of arsenic content - Hydride generation-atomic fluorescence spectrometry and the potassium bromate titrimetric method》 Active Products
  • GB/T 11064.3-2013 《Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride - Part 3: Determination of lithium chloride content - Potentiometric method》 Active Products
  • GB/T 11064.2-2013 《Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride - Part 2: Determination of lithium hydroxide content - Acid-alkali titrimetric method》 Active Products
  • GB/T 11064.1-2013 《Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride - Part 1: Determination of lithium carbonate content - Acid-alkali titrimetric method》 Active Products
  • GB/T 11135-2013 《Standard test method for bromine numbers of petroleum distillates and commercial aliphatic olefins by electrometric titration》 Active Products
  • GB/T 11064.12-2013 《Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride - Part 12: Determination of carbonate content - Acid-alkali titrimetric method》 Active Products
  • GB/T 7304-2014 《Standard test method for acid number of petroleum products by potentiometric titration》 Active Products
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