Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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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
GB/T 6908-2018 Analysis of water used in boiler and cooling system—Determination of electrical conductivity 105.0 via email in 1~3 business day to be valid
HG/T 4542-2013 Circulating Cooling Water - Determination of Polyepoxysuecinic Acid 120.0 via email in 1~3 business day valid
HG/T 2160-2008 Dynamic simulation for cooling water 195.0 via email in 1~3 business day valid
HG/T 4325-2012 Reclaimed water—Determination of calcium and magnesium—Atomic absorption spectromic method 90.0 via email in 1~3 business day valid
GB/T 6911-2007 Water for industrial circulating cooling system and boiler—Determination of sulfate 120.0 via email in 1~3 business day abolished
GB/T 22594-2018 Water treatment chemicals—General rules for determination of density 165.0 via email in 1~3 business day to be valid
GB/T 14642-2009 Industrial circulating cooling water and boiler water - Determination of fluoride,chloride,phosphate,nitrite,nitrate and sulfate - Ion chromatography 210.0 via email in 1~3 business day valid
HG/T 4324-2012 Pickling solution—Determination of total iron content 90.0 via email in 1~3 business day valid
HG/T 3536-2011 Industrial circulating cooling water-Determination of carbon dioxide for sludge and corrosion products 170.0 via email in business day valid
GB/T 6911-2017 Determination of sulfate in water for industrial circulating cooling system and boiler 170.0 via email in 1~3 business day valid
GB/T 12149-2007 Water for industrial circulating cooling system and boiler—Determination of silica 120.0 via email in 1~3 business day abolished
GB/T 15454-2009 Industrial circulating cooling water - Determination of sodium,potassium, magnesium and calcium - Ion chromatography 180.0 via email in 1~3 business day valid
GB/T 23837-2009 Industrial circulating cooling water - Determination of aluminium - Atomic absorption spectrometric methods 180.0 via email in 1~3 business day valid
GB/T 32116-2015 Determination of total organic carbon(TOC) in industrial circulating cooling water 90.0 via email in 1~3 business day valid
GB/T 14643.3-2009 Examination of bacteria and algae in industrial circulating cooling water - Part 3: Examination of slime formed fungi - Standard of plate count 180.0 via email in 1~3 business day valid
GB/T 6912-2008 Analysis of water used in boiler and cooling system - Determination of nitrite 90.0 via email in 1~3 business day valid
GB/T 15456-2008 Industrial circulating cooling water - Determination of the chemical oxygen demand - Potassium permanganate method 60.0 via email in 1~3 business day valid
GB/T 16881-2008 Coagulation-Deposition jar test of water 75.0 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
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