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GB 13192-1991 Water quality-Determination of organic phosphorous pesticide in water-Gas chromatography (USD) via email in 1-3 business day VALID
HJ/T 200-2005 Water quality -- Determination of sulfide Gas-phase molecular absorption spectrometry (USD) via email in 1-3 business day VALID
GB 11909-1989 Water quality-Determination of silver-Spectrophotometric method with 3,5-Br2-PADAP (USD) via email in 1-3 business day
GB 7486-1987 Water quality; Determination of cyanide; Part 1:Determination of total cyanide (USD) via email in 1-3 business day
GB 7471-1987 Water quality; Determination of cadmium; Spectrophotometric method with dithizone (USD) via email in 1-3 business day VALID
GB 11894-1989 Water quility-Determination of total nitrogen UV spectrophotometric method-Alkaline potassium persulfate digestion method (USD) via email in 1-3 business day ABOLISHED
GB/T 13902-1992 Water quality-Determination of nitroglycerine-Oscillopolarography (USD) via email in 1-3 business day VALID
SL 327.2-2005 Water quality - determination of mercury - atomic fluorescence spectrometric method (USD) via email in 1-3 business day VALID
MT/T 479-1995 (USD) via email in 1-3 business day
GB/T 7483-1987 Water quality; Determination of fluoride; Fluor reagent spectrophotometric method (USD) via email in 1-3 business day
HJ 676-2013 Water quality-Determination of phenolic compounds Liquid liquid extraction gas chromatography via email in VALID please email coc@codeofchina.com for quotation
SL 393-2007 Determination of volatile organic compounds in water by purge and trap-gas chromatography/mass spectrometry(GC/MS) via email in VALID please email coc@codeofchina.com for quotation
GB/T 21970-2008 Water quality - Determiniation of putrescine cadaverine spermidine spermine and histamine - High performance liquid chromatography method (USD) via email in 1-3 business day VALID
GB 11907-1989 Water quality-Determination of silver-Flame atomic absorption spectrophotometric method (USD) via email in 1-3 business day VALID
YS 5226-1994 Code for water analysis (USD) via email in 1-10 business day ABOLISHED
GB 11892-1989 Water quality-Determination of permanganate index (USD) via email in 1-3 business day VALID
CJ/T 59-1999 Municipal sewage—Determination of cyanide (USD) via email in 1-3 business day ABOLISHED
GB 7470-1987 Water quality; Determination of lead; Spectrophotometric method with dithizone (USD) via email in 1-3 business day VALID
GB 7480-1987 Water quality; Determination of nitrate; Spectrophotometric method with phenol disulfonic acid (USD) via email in 1-3 business day VALID
CJ 94-2005 Water quality standards for fine drinking water via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
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