Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB 1255-2007 Working chemical—Sodium carbonate anhydrous 120.0 via email in 1 business day valid
GB 10735-1989 Primary chemicals; Sodium carbonate 165.0 via email in 1~3 business day abolished
GB 1257-1989 Working chemical-Potassium hydrogen phthalate 45.0 via email in 1~3 business day abolished
GB 10738-1989 Working chemical-General rules for the weight titration 105.0 via email in 1~3 business day abolished
GB 10735-2008 chemical - Sodium carbonate anhydrous 240.0 via email in 1~3 business day valid
GB 12595-2008 Working chemical—Silver nitrate 120.0 via email in 1~3 business day valid
GB 10733-2008 Primary chemical - Sodium chloride 270.0 via email in 1~3 business day valid
GB/T 6685-1986 Chemical reagents; Hydroxyl ammonium chloride 45.0 via email in 1~3 business day superseded
GB 6854-2008 pH Primary reagent—Disodium hydrogen phosphate 120.0 via email in 1~3 business day valid
GB 10737-1989 Working chemical-General rules for the potentiometric weight titration 120.0 via email in 1~3 business day abolished
GB 6853-2008 pH Primary reagent - Potassium dihydrogen phosphate 105.0 via email in 1~3 business day valid
GB 6857-2008 pH Primary reagent—Potassium hydrogen phthalate 105.0 via email in 1~3 business day valid
GB 12596-2008 Working chemical - Calcium carbonate 120.0 via email in 1~3 business day valid
GB 1254-2007 Working chemical—Sodium oxalate 90.0 via email in 1~3 business day valid
GB 6851-1986 pH Basic line; General rules for certification 120.0 via email in 1~3 business day abolished
GB 10733-1989 Primary chemicals; Sodium chloride 135.0 via email in 1~3 business day abolished
GB 1258-2008 Working chemical—Potassium iodate 120.0 via email in 1~3 business day valid
GB 10730-1989 Primary chemicals; Potassium hydrogen phthalate 120.0 via email in 1~3 business day abolished
GB 12595-1990 Working chemical-Silver nitrate 90.0 via email in 1~3 business day abolished
GB 12594-2008 Working chemical - Potassium bromate 120.0 via email in 1~3 business day valid
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