Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
Position: Search valid to be valid superseded to be superseded abolished to be abolished
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GB/T 10656-2008 Analysis of water used in boiler and cooling system - Determination of zinc - Zincon spectrophotometry 75.0 via email in 1~3 business day to be abolished
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 12149-2017 Determination of silica in water for industrial circulating cooling system and boiler 160.0 via email in 1~3 business day valid
GB/T 12152-2007 Water for boiler and cooling system—Determination of mineral oil 140.0 via email in 1~3 business day valid
GB/T 12154-2008 Analysis of water used in boiler and cooling system - Determination of total aluminium 90.0 via email in 1~3 business day valid
GB/T 12157-2007 Water for industrial circulating cooling system and boiler—Determination of dissolved oxygen 100.0 via email in 1 business day superseded
GB/T 13689-2007 Water for industrial circulating cooling system and boiler—Determination of copper 160.0 via email in 1~3 business day valid
GB/T 14415-2007 Water for industrial circulating cooling system and boiler—Determination of solids matter 100.0 via email in 1~3 business day valid
GB/T 14420-2014 Analysis of water used in boiler and cooling system—Determination of chemical oxygen demand—Rapid method with potassium dichromate 160.0 via email in 1~3 business day valid
GB/T 14422-2008 Analysis of water used in boiler and cooling system - Determination of benzotriazole 104.0 via email in 1~3 business day valid
GB/T 14424-2008 Industrial circulating cooling water-Determination of residual chlorine 120.0 via email in 1~3 business day valid
GB/T 14427-2008 Analysis of water used in boiler and cooling system - Determination of iron 264.0 via email in 1~3 business day superseded
GB/T 14636-2007 Industrial circulating cooling water—Determination of calcium magnesium—Atomic absorption spectrometric method 160.0 via email in 1~3 business day superseded
GB/T 14636-2021 Determination of calcium and magnesium in industrial circulating cooling water and scale—Atomic absorption spectrometric method 165.0 via email in 1~3 business day valid
GB/T 14637-2007 Industrial circulating cooling water and scale—Determination of copper zinc—Atomic absorption spectrometric method 160.0 via email in 1~3 business day abolished
GB/T 14637-2021 Determination of copper,iron and zinc in industrial circulating cooling water and scale—Atomic absorption spectrometric method 165.0 via email in 1~3 business day valid
GB/T 14640-2008 Water used in industrial circulating cooling system and boiler - Determination of potassium and sodium 180.0 via email in 1~3 business day superseded
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
GB/T 14643.1-2009 Examination of bacteria and algae in industrial circulating cooling water - Part 1: Examination of bacteria formed deposits - Standard of plate count 120.0 via email in 1~3 business day valid
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


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