Type732 cation exchange resin was added in nickel bath to separate nickel ions and other cations, boric acid and chloride ions were then separately titrated by sodium hydroxide and silver nitrate.

• 采用732型阳离子交换树脂分离镍及其它阳离子后，分别用氢氧化钠和硝酸银滴定硼酸和氯离子。