POTENTIOMETRIC STRIPPING ANALYSIS IN NON-DEAERATED SAMPLES

被引：72

作者：

JAGNER, D

机构：

[1] Department of Analytical Chemistry, University of Goteborg, Fack

来源：

ANALYTICAL CHEMISTRY | 1979年 / 51卷 / 03期

关键词：

D O I：

10.1021/ac50039a006

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Potentiometric stripping analysis is based on the potentiostatic pre-concentration of analytes in a mercury film and the subsequent registration on a xt-recorder of the resulting redox titration curve obtained when the potentiostatic circuitry is disconnected. In the present study, it is shown that zinc, thallium, cadmium, lead, bismuth, copper can be analyzed in acid solution using dissolved oxygen, in equilibrium with air, as oxidant. For analyte concentrations above approximately 25 μg/L potentiometric stripping analysis in non-deaerated samples is more rapid than analysis in deaerated samples using mercury(II) as oxidant. © 1979, American Chemical Society. All rights reserved.

引用

页码：342 / 345

页数：4

共 3 条

[1] CHRONOPOTENTIOMETRIC STUDY OF OXIDATION OF SOME DILUTED AMALGAMS IN PRESENCE OF TRACES OF OXYGEN DISSOLVED IN AQUEOUS-SOLUTION .2. STUDY OF INFLUENCE OF VARIOUS PARAMETERS ON REACTION-RATE
BUFFLE, J
PELLETIE.M
MONNIER, D
[J]. JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1973, 43 (02): : 185 - 195
[2] INSTRUMENTAL APPROACH TO POTENTIOMETRIC STRIPPING ANALYSIS OF SOME HEAVY-METALS
JAGNER, D
[J]. ANALYTICAL CHEMISTRY, 1978, 50 (13) : 1924 - 1929
[3] PELLETIER M, 1971, CHIMIA, V25, P61

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