GB 10738-2007
Working chemical - General rules for assay - weight titration
GB 10737-2007
Working chemical - General rules for assay - Weight titration(potentiometric method)
GB 1258-2008
Working chemical - Potassium iodate
GB 12594-2008
Working chemical - Potassium bromate
GB 12597-2008
Working chemical - Benzoic acid
GB 1259-2007
Working chemical - Potassium dichromate
GB 1254-2007
Working chemical - Sodium oxalate
GB 12595-2008
Working chemical - Silver nitrate
GB 6851-2008
pH primary reagent - General rules for certification
GB 10736-2008
Working chemical - Potassium chloride
GB 6856-2008
pH primary reagent - Sodium tetraborate decahydrate
GB 12596-2008
Working chemical - Calcium carbonate
GB 1260-2008
Working chemical - Zinc oxide
GB 10731-2008
Primary chemical - Potassium dichromate
GB 1253-2007
Working chemical - Sodium chloride
GB 6853-2008
pH primary reagent - Potassium dihydrogen phosphate
GB 6854-2008
pH primary reagent - Disodium hydrogen phosphate
GB 10732-2008
Primary chemical - Potassium chloride
GB 1256-2008
Working chemical - Arsenic trioxide
GB 10733-2008
Primary chemical - Sodium chloride