Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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HJ 687-2014 Solid waste- Determination of hexavalent chromium - by alkaline digestion/flame atomic absorption spectrophotometic 60.0 via email in 1~3 business day valid
GB/T 15439-1995 Air quality-Determination of benz[a]pyrene in ambient air-High performance liquid chromatography 75.0 via email in 1~3 business day superseded
GB/T 22105.3-2008 Soil quality - Analysis of total mercury、arsenic and lead contents in soils - Atomic fluorescence spectrometry - Part 3:Analysis of total lead contents in soils 105.0 via email in 1~3 business day valid
GB/T 15432-1995 Ambient air -Determination of total suspended particulates -Gravimetric method 40.0 via email in 1 business day superseded
GB/T 15262-1994 Ambient air-Determination of sulfur dioxide-Formaldehyde absorbing-pararosaniline spectrophotometry 120.0 via email in 1~3 business day superseded
GB/T 15503-1995 Water quality -Determination of vanadium -BPHA extraction spectrophotometric method 45.0 via email in 1~3 business day valid
GB/T 15436-1995 Ambient air-Determination of nitrogen oxides-Saltzman method 135.0 via email in 1~3 business day superseded
GB/T 14670-1993 Air quality-Determination of styrene-Gas chromatography 105.0 via email in 1~3 business day abolished
GB/T 15433-1995 Ambient air-Determination of the fluoride-Method by lime-paper sampling and fluorine ion-selective electrode analysis 90.0 via email in 1~3 business day superseded
GB/T 14668-1993 Air quality. Determination of ammonia. Nesslers reagent colorimetric method 30.0 via email in 1~3 business day abolished
GB/T 15435-1995 Ambient air-Determination of nitrogen dioxide-Saltzman method 90.0 via email in 1~3 business day valid
GB/T 15501-1995 Air quality -Determination of nitrobenzene(mononitro- and dinitro-compound) - Reduction by zinc-N-(1-Naphthyl) ethylene diamine dihydrochloride spectrophotometric method 60.0 via email in 1~3 business day valid
HJ 696-2014 Water Quality - Determination of Turpentine - Gas Chromatography Method 234.0 via email in business day valid
GB/T 15505-1995 Water quality - Determination of selenium - Graphite furnace atomic absorption spectrometric method 60.0 via email in 1~3 business day valid
GB/T 15440-1995 Guidelines for preparing samples for genetoxicity testing of organic pollutants in environment 150.0 via email in 1~3 business day valid
GB/T 15502-1995 Air quality -Determination of aniline -N-(1-naphthyl) ethylene diamine dihydrochloride spectrophotometric method 60.0 via email in 1~3 business day valid
GB/T 9801-1988 Air quality-Determination of carbon monoxide-Non-disperisive infrared spectrometry 30.0 via email in 1~3 business day valid
GB/T 15264-1994 Ambient air-Determination of lead-Flame atomic absorption spectrophotometric method 60.0 via email in 1~3 business day superseded
GB/T 15434-1995 Ambient air-Determination of the mass concentration of fluoride-Method by filter sampling and fluorine ion-selective electrode analysis 75.0 via email in 1~3 business day superseded
GB/T 14669-1993 Air quality - Determination of ammonia - Ion selective electrode method 45.0 via email in 1~3 business day valid
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