摘要
德国默克法测试COD_(cr)方法简便,对检测地表水以及其他低浓度水样具有测试稳定、数据平行性好的优点。相对标准偏差RSD为1.23%~6.02%,加标回收率为90.0%~103.6%。
German Merck testing COD_(cr)'s method is simple to use. It has the advantages of experiment's stability and good parallelism data when doing the detection of surface water and other low concentration of water samples. The relative standard deviation(RSD) was 1.23 to 6.02 percent, and the recovery rate was 90.0 percent to 103.6 percent.
引文
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