Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 17132-1997 Environment-Determination of methylmercury-Gas chromatography 120.0 via email in 1~3 business day valid
GB 11911-1989 Water quality - Determination of iron and manganese-Flame atomic absorption spectrometric method 30.0 via email in 1~3 business day valid
HJ/T 60-2000 Water Quality - Determination of Sulfides - Iodometric Method 40.0 via email in 1 business day valid
GB 7485-1987 Water quality; Determination of total arsenic; Silver diethyldithiocarbamate spectrophotometric method 60.0 via email in 1~3 business day valid
GB 11890-1989 Water quality - Determination of benzene and its analogies gas chromatographic method 120.0 via email in 1~3 business day valid
GB/T 13903-1992 Water quality-Determination of TNT-Spectrophotometry 30.0 via email in 1~3 business day abolished
GB/T 7468-1987 Water quality; Determination of total mercury; Cold atomic absorption spectrophotometry 90.0 via email in 1~3 business day abolished
YS 5226-1994 Code for water analysis 3030.0 via email in 1~3 business day abolished
GB 11905-1989 Water quality - Determination of calcium and magnesium-Atomic absorption spectrophotometric method 45.0 via email in 1~3 business day valid
SL 327.3-2005 Water quality - determination of selenium - atomic fluorescence spectrometric method 90.0 via email in 1~3 business day valid
GB/T 13901-1992 Water quality-Determination of dinitrotoluene-Oscillopolarography 30.0 via email in 1~3 business day valid
GB 11906-1989 Water quality-Determination of manganese-Potassium periodate spectrophotometric method 45.0 via email in 1~3 business day valid
GB/T 16489-1996 Water quality - Determination of sulfide-Methylene blue spectrophotometric method 60.0 via email in 1~3 business day valid
GB 13192-1991 Water quality-Determination of organic phosphorous pesticide in water-Gas chromatography 90.0 via email in 1~3 business day valid
GB 7473-1987 Water quality; Determination of copper; 2,9-Dimethyl-1,10-phenanthroline spectrophotometric method 45.0 via email in 1~3 business day abolished
MT/T 369-2007 Determination of Chemical Oxygen Demand of Coal Mine Water (Method of Potassium Permanganate) via email in business day valid
SL 327.4-2005 Water quality - determination of lead - atomic fluorescence spectrometric method 75.0 via email in 1~3 business day valid
SL 391.4-2007 sample preparation methods for organic analysis-part 4:accelerated solvent extraction(ase) 90.0 via email in 1~3 business day valid
GB 11913-1989 Water quality-Determination of dissolved oxygen-Electrochemical probe method 195.0 via email in 1~3 business day abolished
GB 11912-1989 Water quality - Determination of nickel - Flame atomic absorption spectrometric method 30.0 via email in 1~3 business day valid
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