Determination of anions after their concentration by directed crystallization of natural water

被引：5

作者：

Eksperiandova, LP ^{[1
]}

Fokina, II ^{[1
]}

Ivkova, TI ^{[1
]}

Blank, AB ^{[1
]}

机构：

[1] Natl Acad Sci Ukraine, Inst Single Crystals, UA-61001 Kharkov, Ukraine

来源：

JOURNAL OF TRACE AND MICROPROBE TECHNIQUES | 2001年 / 19卷 / 01期

关键词：

water analysis; determination of anions; preconcentration; directed crystallization;

D O I：

10.1081/TMA-100001462

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Low-temperature directed crystallization of natural water earlier applied by us for analytical concentration of cationic and organic impurities, may be used also for the concentration of anions. The distribution coefficients of various impurities in distilled water, irrespective of their nature, were found to be close to zero. In natural water these values are nonzero and depend on the degree of mineralization of the analyzed water. The use of our concentration method allows to decrease the detection limit in the determination of anionic impurities by a factor of 40 to 100.

引用

页码：71 / 77

页数：7

共 10 条

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