COD快速检测仪光度法测定

如题所述

COD快速检测仪采用光度法进行多种水质指标的测定,其测定项目涵盖了广泛的参数,包括:



    浊度,测定范围为3-1000度;
    硫化物,浓度范围0.02-4毫克每升(mg/L);
    氰化合物,0.004-1 mg/L;
    氨氮,0.02-60 mg/L;
    硫酸盐,8-85 mg/L;
    硼,0.1-1.0 mg/L;
    游离氯和总氯,0.05-1.5 mg/L;
    氟化物,0.05-1.80 mg/L;
    碘化物,1-10微克每升(ug/L);
    硝酸盐氮,0.02-2.0 mg/L;
    银,0.02-1.4 mg/L;
    砷,0.0004-0.5 mg/L;
    钡,0.06-3.0 mg/L;
    铍,0.001-0.028 mg/L;
    钴,0.02-0.16 mg/L;
    六价铬,0.004-1 mg/L;
    铜,0.02-0.60 mg/L;
    汞,2-40 ug/L;
    锰,0.05 mg/L;
    镍,0.1-4 mg/L;
    铅,0-75 ug/L;
    锑,0.05-1.2 mg/L;
    锌,0.005 mg/L;
    钒,0.018-10.0 mg/L;
    钍,0.008-3.0 mg/L;
    铀,0.0013-1.6 mg/L;
    挥发酚,0.1-10 mg/L;
    苯胺类,0.03-50 mg/L;
    硝基苯类,0.1-70 mg/L;
    甲醛,0.05-3.33 mg/L;
    三氯乙醛,0.02-5.6微克每毫升(ug/ml);
    总磷,0.001-5 mg/L。

这些测定项目有助于全面评估水体的化学成分,为环境监测、水质控制和工业生产提供重要数据支持。


扩展资料

化学需氧量COD(Chemical Oxygen Demand) 是在一定的条件下,采用一定的强氧化剂处理水样时,所消耗的氧化剂量。它是表示水中还原性物质多少的一个指标。

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