Application of ion chromatography with post-column derivatization and UV-Vis spectrophotometry for the Cr(VI) determination in mineral fertilizers

被引：1

作者：

Ryszko, Urszula ^{[1
]}

Mazurek, Barbara ^{[1
]}

Ostrowski, Jaroslaw ^{[1
]}

机构：

[1] Siec Badawcza Lukasiewicz, Inst Nowych Synt Chem, Pulawy, Poland

来源：

PRZEMYSL CHEMICZNY | 2021年 / 100卷 / 10期

关键词：

CHROMIUM; SPECIATION;

D O I：

10.15199/62.2021.10.6

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Samples of corn. mineral fertilizers were analyzed for Cr(VI) content by ion chromatography with post-column derivatization with Ph(NH)(2)CO(NH)(2)Ph and UV-Vis spectro-photometry method. For extn. of Cr(VI) from fertilizers, an alkaline extn. procedure was applied. The total Cr content was detd. using ICP-OES technique. The correction of inter-elemental interferences was performed using Sc as an internal std. Ion chromatography showed an appropriately low limit of quantification (0.11 mg/kg) and was the preferred technique in the anal. of Cr (VI) in mineral fertilizers.

引用

页码：939 / 944

页数：6

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