Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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HG/T 3518-2011 Industrial circulating cooling water—Determination of mercaptobenzo-thiazole via email in business day valid
HG/T 3532-2011 Industrial circulating cooling water—Determination of ferrous sulphide for sludge and corrosion products via email in business day valid
HG/T 3924-2007 Standard test method for performance of boiler water treatment chemicals - Dynamic simulation method 180.0 via email in 1~3 business day valid
GB/T 14415-2007 Water for industrial circulating cooling system and boiler—Determination of solids matter 60.0 via email in 1~3 business day valid
HG/T 4207-2011 Examination of heterotrophic bacteria in industrial circulating cooling water-Standard of plate count. via email in business day valid
GB/T 22595-2008 Test method for efficacy of antimicrobials - Aerobic bacteria 180.0 via email in 1~3 business day valid
GB/T 15454-1995 Industrial circulating cooling water-Determination of sodium, ammonium, potassium, magnesium and calcium-Ions chromatography 105.0 via email in 1~3 business day abolished
GB/T 22592-2008 Water treatment reagent - General rules for the determination of pH 120.0 via email in 1~3 business day valid
GB/T 22594-2008 Water treatment reagent - General rules for the determination of density 120.0 via email in 1~3 business day valid
HG/T 3520-2000 Industrial circulating cooling water Determination of calcium for phosphorus-zine prefilmingtluid 45.0 via email in 1~3 business day superseded
GB/T 12157-2007 Water for industrial circulating cooling system and boiler—Determination of dissolved oxygen 80.0 via email in 1 business day valid
HG/T 3530-2012 Industrial circulating cooling water—Sampling and production for sludge and corrosion products 90.0 via email in 1~3 business day valid
HG/T 4327-2012 Reclaimed water—Determination of total iron content—Spectrophotometric method 90.0 via email in 1~3 business day valid
GB/T 15452-1995 Industrial circulating cooling water-Determination of calcium and magnesium-EDTA titration method 30.0 via email in 1~3 business day superseded
GB/T 14643.2-2009 Examination of bacteria and algae in industrial circulating cooling water - Part 2: Examination of soil micro-bioti - Standard of plate count 180.0 via email in 1~3 business day valid
HG/T 4541-2013 Water Treatment Chemicals - Determination of Scale Inhibition Performance - Limited Carbonate Method 90.0 via email in 1~3 business day valid
HG/T 2762-1996 105.0 via email in 1~3 business day superseded
GB/T 23836-2009 Determination of molybdate in industrial circulating cooling water - Spectrometric method using thiocyanate 120.0 via email in 1~3 business day valid
HG/T 2157-2011 industrial circulating cooling water-determination of ammonium-potentiometric method 195.0 via email in 1~3 business day valid
GB/T 22597-2008 Reclaimed wastewater - Determination of chemical oxygen demand-Potassium dichromate method 120.0 via email in 1~3 business day abolished
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