密封微波消解法快速测定化学需氧量的研究

来源 :中国石油和化工标准与质量 | 被引量 : 0次 | 上传用户:gby603
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化学需氧量是衡量水中有机物含量多少的一个重要指标,目前国标重铬酸钾法回流时间长,试剂消耗量大.本文采用密封微波消解测定COD,具有消解时间短,一次处理样品多,使用试剂量少等优点.同时,研究了消解时间对实验结果的影响及方法的精密度和精确度.
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