The experimental r esults show that JDW 1 is superior to Duolite S 761 in adsorption of VB 12 (the s aturation adsorption capacity of JDW 1 for VB 12 is 84 mg/g dried resin).

• 结果表明 ,JDW 1对VB12 的吸附量达 84mg g ,明显优于DuoliteS 76 1;