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
作者: Zhang, Huanhuan 1 ; Wu, Wenbiao 1 ;
作者机构: 1.Southwest Univ, Coll Food Sci, 216 Tian Sheng Qiao, Chongqing 400715, Peoples R China
2.Chongqing Acad Agr Sci, Nongke Ave, Chongqing, Peoples R China
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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