Estimation of Cr(III) in Water with the Presence of Cr(VI) by Chlorophosphonazo I Color Reaction Spectrophotometry

文献类型： 外文期刊

第一作者： Zhang, Huanhuan

作者： Zhang, Huanhuan;Wu, Wenbiao;Zhang, Huanhuan

作者机构：

关键词： Selectively estimating Cr3+; spectrophotometric method; accuracy evaluation; rapid; applicability

期刊名称：ANALYTICAL SCIENCES （ 影响因子：1.8； 五年影响因子：1.6 ）

ISSN： 0910-6340

年卷期： 2018 年 34 卷 3 期

页码：

收录情况： SCI

摘要： A method capable of accurately and selectively measuring Cr3+ in water is required and was therefore studied. The precision and reproducibility of chlorophosphonazo I color reaction spectrophotometry (CCRS) for the selective determination of Cr3+ was improved to be acceptable standards. The CCRS established is therefore an accurate, reproducible and inexpensive method. It also has reasonably good sensitivity and selectivity, and a high sample output. This method should be readily adapted for the routine and selective determination of Cr3+ in bottled mineral drinking water with (or without) the supplementation of Cr3+ or in natural water such as mineral or pipe water with the presence of Cr6+.

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