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用带恒电位库仑检测器的高速离子交换色谱法,在15分钟内完成了高温防粘剂中金属的分析。测得铅的含量为6.2％,镉的含量为10.5％。对该方法的重复性进行了考察,镉的变异系数为0.53％,铅的变异系数为0.28％。
High speed ion exchange chromatography with a coulometric potentiostat enabled the analysis of the metal in the high temperature release agent within 15 minutes. Measured lead content of 6.2%, cadmium content of 10.5%. The repeatability of the method was investigated. The coefficient of variation of cadmium was 0.53% and the coefficient of variation of lead was 0.28%.