GB/T 13660-1992 201×7 Strongly basic styrene type anion exchange resins

GB/T 13660-2008 201×7 Strong base polystyrene anion exchange resin

GB/T 1631-2008 Designation system and basis for specifications of ion exchange resins GB/T 5475-1985 Methods for sampling ion exchange resins GB/T 5475-2013 Methods for samping ion exchange resins GB/T 5476-1996 Methods for pretreating ion exchange resins GB/T 5476-2013 Methods of pretreating ion exchange resins GB/T 5757-1986 Determination for water retention capacity of ion exchange resins GB/T 5757-2008 Determination of moisture holding capacity of ion exchange resins GB/T 5758-2001 Determination for particle size range,effective size and uniformity coefficient of ion exchange resins GB/T 5758-2023 Determination for particle size,effective size and uniformity coefficient of ion exchange resins GB/T 8330-1987 Method for the determination of true density of ion exchange resins in wet state GB/T 8330-2008 Determination of specific gravity of ion exchange resins in wet state GB/T 8331-1987 Method for the determination of bulk density of ion exchange resins in wet state GB/T 8331-2008 Determination of bulk density of ion exchange resins in wet state GB/T 11992-1989 Strong basic anion exchange resins in chloride form—Determination of exchange capacity GB/T 11992-2008 Determination of exchange capacity of strong basic anion exchange resins in chloride form GB/T 12598-2001 Determination for sphericity of ion exchange resins after attrition or osmotic-attrition GB/T 12598-2023 Plastics—Ion exchange resin—Determination for the rate of sphericity after osmotic-attrition and attrition GB/T 11991-1989 Ion exchange resins—Determination for swelling upon complete conversion GB/T 11991-2008 Determination of reversible swelling of exchange resins