研究了一种离子色谱抑制电导法测定冶金浸出液中氯离子的方法.以SH-AC-1型阴离子分离柱(10μm,4.6 mm×250 mm)为色谱柱,2.5 mmol/L碳酸钠+3.5 mmol/L碳酸氢钠的混合溶液为淋洗液,在柱温为25℃,流速为2.0 mL/min,进样量为100μL的条件下进行检测,氯离子检出限为0.51μg/L,线性范围为0.002～15.0 mg/L,线性方程为Y=1.2×106X-1.1×105(Y:峰面积;X:质量浓度mg/L),线性相关系数为0.999 8.将本方法应用于铜氨浸出液中氯离子的测定,相对标准偏差(n=11)为6.9%,加标回收率为104%.
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