Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB 11896-1989 Water quality - Determination of chloride-Silver nitrate titration method 40.0 via email in 1 business day valid
GB/T 11893-1989 Water quality-Determination of total phosphorus-Ammonium molybdate spectrophotometric method 30.0 via email in 1 business day valid
SL 368-2006 Standards of reclaimed water quality 420.0 via email in 1~5 business day valid
SL 327.1-2005 Water quality - determination of arsenic - atomic fluorescence spectrometric method 90.0 via email in 1~3 business day valid
GB 11898-1989 Water quality-Determinatoin of free chlorine and total chlorine-Spectrophotometric method useing N,N-diethyl-1,4 phenylenediamine 75.0 via email in 1~3 business day abolished
GB 11894-1989 Water quility-Determination of total nitrogen UV spectrophotometric method-Alkaline potassium persulfate digestion method 45.0 via email in 1~3 business day abolished
GB 7485-1987 Water quality; Determination of total arsenic; Silver diethyldithiocarbamate spectrophotometric method 60.0 via email in 1~3 business day valid
GB 11889-1989 Water quality-Determination of aniline compounds-Spectrophotometric method with N-(1-naphthyl) eth 60.0 via email in 1~3 business day valid
GB 13194-1991 Water quality-Determination of nitrobenzene, mononitrotoluene(MNT),nitrochlorobenzene and oinitrotoluene(ONT)-Gas chromatography 90.0 via email in 1~3 business day abolished
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 83-2001 Water quality -- Determination of adsorbable organic halogen -- Ion chromatography method 150.0 via email in 1~3 business day valid
HJ/T 58-2000 Water quality -- Determination of beryllium -- Spectrophotometric method with erichrome cyanine R 90.0 via email in 1~3 business day valid
GB/T 17132-1997 Environment-Determination of methylmercury-Gas chromatography 120.0 via email in 1~3 business day valid
GB 7491-1987 Water quality; Determination of volatile phenolic; Compounds; After distillation with bromine method 30.0 via email in 1~3 business day abolished
HJ/T 50-1999 Water quality -- Determination of trichloro-aldehyde -- 3-methyl-1-phenyl-5-pyrazolone spectrophotometric method 90.0 via email in 1~3 business day valid
GB 7481-1987 Water quality; Determination of ammonium; Spectrophotometric method with salicylic acid 75.0 via email in 1~3 business day abolished
HJ/T 198-2005 Water quality -- Determination of nitrate-nitrogen Gas-phase molecular absorption spectrometry 120.0 via email in 1~3 business day valid
GB 11908-1989 Water quality-Determination of silver-Spectrophotometry with cadion 2B 30.0 via email in 1~3 business day abolished
GB/T 13902-1992 quality - Determination of nitroglycerine-Oscillopolarography 30.0 via email in 1~3 business day valid
SL 394.2-2007 determination of 34 elements(pb,cd,v,p etc.)-inductively coupled plasma mass spectroscopy (icp-ms) 150.0 via email in 1~3 business day valid
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