OPTIMIZATION OF EXTRACTION PROCEDURE FOR DETERMINATION OF TOTAL WATER-SOLUBLE CHROMIUM AND CHROMIUM(VI) IN VARIOUS SOILS

被引：13
|
作者：
KOZUH, N [1 ]
STUPAR, J [1 ]
MILACIC, R [1 ]
GORENC, B [1 ]
机构：
[1] UNIV LJUBLJANA, DEPT CHEM & CHEM TECHNOL, LJUBLJANA 61000, SLOVENIA
来源：
INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY | 1994年 / 56卷 / 03期
关键词：
CHROMIUM; CHROMIUM(VI); CHELATING ION-EXCHANGE CHROMATOGRAPHY; ELECTROTHERMAL AAS; EXTRACTION PROCEDURE; SOIL EXTRACTS;
D O I：
10.1080/03067319408034101
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The parameters influencing the extraction efficiency of total water-soluble chromium and chromium(VI) in clay, peat and sandy soils were investigated. Water and a KH2 PO4 solution (0.015 mol dm(-3)) were used as extractants. Samples were ultrasonicated or shaken in classical shakers. Variations of solution volume-to-soil weight ratio, and of shaking time were studied in order to develop the optimal extraction procedure for the determination of total water-soluble chromium and chromium(VI). Soil samples treated with tannery waste continuously for 17 years and soils freshly contaminated with the same waste were studied.
引用
收藏
页码：207 / 217
页数：11
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