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。