微波消解法与回流法测定水中COD比较分析

Comparison of Microwave Digestion and Refluxing Method in Determination of COD

水中化学需氧量测定能够对水体受污染程度提供相应指标,传统监测手段消耗试剂较多且在进行批量分析与快速检测方面有所不足,研究通过微波消解法与传统回流法对同一批水样进行了测定,并对测试结果进行了比较分析,结果表明,两种测量方法均在误差范围内,不存在显著性差异,同时微波消解法测定水中COD具有耗时短、催化剂用量少的优点,可以作为环境监测的一种手段。

The degree of water pollution is indicated by chemical oxygen demand in water.The traditional monitoring techniques are characterized by less reagent consuming and efficiency.Two test methods,microwave digestion and refluxing method,were compared.The results showed that there was no significant difference between the two methods.However,the method of microwave digestion had the merits of short time consuming and low catalysts loading,which can be used to analysis of batch environmental monitoring samples.