Test methods of water treatment, catalog, Chinese national standards
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GB/T 5475 Methods for sampling ion exchange resins
GB/T 5476 Methods of pretreating ion exchange resins
GB/T 5757 Determination of moisture holding capacity of ion exchange resins
GB/T 5758 Determination for particle size range，effective size and uniformity coefficient of ion exchange resins
GB/T 5759 Determination for water retention capacity of anion exchange resins in hydroxylic form
GB/T 5760 Determination for exchange capacity of anion exchange resins in hydroxylic form
GB/T 6904 Water used in industrial circulating cooling system and boiler - Determination of pH
GB/T 6908 Analysis of water used in boil and cooling system - Determination of electrical conductivity
GB/T 6909 Analysis of water used in boiler and cooling system - Determination of hardness
GB/T 6911 Water for industrial circulating cooling system and boiler - Determination of sulfate
GB/T 6912 Analysis of water used in boiler and cooling system - Determination of nitrite
GB/T 6913 Analysis of water used in boiler and cooling system - Determination of phosphorus
GB/T 8144 Determination of exchange capacity of cation exchange resin
GB/T 8330 Determination of specific gravity of ion exchange resins in wet state
GB/T 8331 Determination of bulk density of ion exchange resins in wet state
GB/T 10656 Analysis of water used in boiler and cooling system - Determination of zinc - Zincon spectrophotometry
GB/T 11991 Determination of reversible swelling of exchange resins
GB/T 11992 Determination of exchange capacity of strong basic anion exchange resins in chloride form
GB/T 12149 Water for industrial circulating cooling system and boiler - Determination of silica
GB/T 12152 Water for boiler and cooling system - Determination of mineral oil
GB/T 12154 Analysis of water used in boiler and cooling system - Determination of total aluminium
GB/T 12157 Water for industrial circulating cooling system and boiler - Determination of dissolved oxygen
GB/T 12598 Determination for sphericity of ion exchange resins after attrition or osmotic-attrition
GB/T 13465.5 Test method of contraction of the impermeable graphite phenolic aldehyde agglomerant
GB/T 13465.7 Test method of the rates of body weight gain and porefilling of impermeable graphite
GB/T 13465.8 Test method of the adhesion shear strength of impermeable graphite adhesion agent
GB/T 13659 001×7 Strong acid polystyrene cation exchange resin
GB/T 13660 201×7 Strong base polystyrene anion exchange resin
GB/T 13689 Water for industrial circulating cooling system and boiler - Determination of copper
GB/T 14415 Water for industrial circulating cooling system and boiler - Determination of solids matter
GB/T 14422 Analysis of water used in boiler and cooling system - Determination of benzotriazole
GB/T 14424 Industrial circulating cooling water - Determination of residual chlorine
GB/T 14427 Analysis of water used in boiler and cooling system - Determination of iron
GB/T 14636 Industrial circulating cooling water - Determination of calcium, magnesium - Atomic absorption spectrometric method
GB/T 14637 Industrial circulating cooling water and scale - Determination of copper, zinc - Atomic absorption spectrometric method
GB/T 14640 Water used in industrial circulating cooling system and boiler - Determination of potassium and sodium
GB/T 14642 Industrial circulating cooling water and boiler water - Determination of fluoride, chloride, phosphate, nitrite, nitrate and sulfate - Ion chromatography
GB/T 14643.1 Examination of bacteria and algae in industrial circulating cooling water - Part 1: Examination of bacteria formed deposits - Standard of plate count
GB/T 14643.2 Examination of bacteria and algae in industrial circulating cooling water - Part 2: Examination of soil micro-bioti - Standard of plate count
GB/T 14643.3 Examination of bacteria and algae in industrial circulating cooling water - Part 3: Examination of slime formed fungi - Standard of plate count
GB/T 14643.4 Examination of bacteria and algae in industrial circulating cooling water - Part 4: Examination of soil fangi - Standard of plate count
GB/T 14643.5 Examination of bacteria and algae in industrial circulating cooling water - Part 5: Examination of sulfate-reducing bacteria - MPN test
GB/T 14643.6 Examination of bacteria and algae in industrial circulating cooling water - Part 6: Examination of iron bacteria - MPN test
GB/T 15451 Industrial circulating cooling water - Determination of total and composite alkalinity
GB/T 15452 Industrial circulating cooling water - Determination of calcium and magnesium - EDTA titration method
GB/T 15453 Water for industrial circulating cooling system and boiler - Determination of chloride
GB/T 15454 Industrial circulating cooling water - Determination of sodium，potassium， magnesium and calcium - Ion chromatography
GB/T 15456 Industrial circulating cooling water - Determination of the chemical oxygen demand - Potassium permanganate method
GB/T 15893.1 Industrial circulating cooling water - Determination of turbidity--Diffused radiation method
GB/T 16632 Determination of scale inhibition performance of water treatment agents - Calcium carbonate precipitation method
GB/T 18175 Determination of corrosion inhibition performance of water treatment agents - Rotation specimen method
GB/T 19860 Determination for hydrogen form of weak acid cation exchange resins
GB/T 19861 Determination for strong-base group, weak-base group and weak-acid group exchange capacity of acrylic type anion exchange resins
GB/T 20778 Evaluation of biodegradability of water treatment chemicals - Carbon dioxide evolution test
GB/T 20780 Industrial circulating cooling water - Determination of carbonate alkalinity
GB/T 22592 Water treatment reagent - General rules for the determination of pH
GB/T 22593 Water treatment reagent - General rules for the determination of limiting viscosity number
GB/T 22594 Water treatment reagent - General rules for the determination of density
GB/T 22596 Water treatment chemicals - General method for determination of iron content
GB/T 22597 Reclaimed wastewater - Determination of chemical oxygen demand - Potassium dichromate method
GB/T 22598 Water treatment chemicals - Determination of lead content
GB/T 22599 Water treatment chemicals - Determination of arsenic content
GB/T 22626 Determination of scale inhibition performance of water treatment agents - Calcium phosphate precipitation method
GB/T 23836 Determination of molybdate in industrial circulating cooling water - Spectrometric method using thiocyanate
GB/T 23837 Industrial circulating cooling water - Determination of aluminium - Atomic absorption spectrometric methods
GB/T 23838 Determination of suspended solids of industrial circulating cooling water
GB/T 26322 Examination of nitrite bacteria in industrial circulating cooling water - MPN test
GB/T 29340 Analysis of water used in boil and cooling system - Determination of chloride - Ammonium thiocyanate titration method