氟试剂分光光度法测定水中氟化物

Accuracy Deviation Test in Determination of Fluoride in Water Done by Spectrophotometry

用氟试剂分光光度法对水中氟化物测定进行精密度偏性试验,对各种浓度的自制样品、水利部试验研究中心统一发放样品、天然水及加标样的分析表明,方法简便,结果准确,回收率97-101%,RSD为3.1%。

Accuracy deviation test in determination of fluoride in water was investigated by spectrophotometry. Analysis was made about homemade samples, standard substances provided by research center in Ministry of Water Resources. Various statistical parameters are. summarized to check the correctness of monitoring results which prove that the methods can meet the requirements.