Novel photolytic decomposition method of organic compounds with a high output low-pressure mercury lamp for voltammetric trace metal analysis

被引：17

作者：

Yokoi, K ^{[1
]}

Yakushiji, M ^{[1
]}

Hatanaka, M ^{[1
]}

Kubono, K ^{[1
]}

Koide, T ^{[1
]}

机构：

[1] Osaka Kyoiku Univ, Div Nat Sci, Osaka 582, Japan

来源：

FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY | 1999年 / 365卷 / 04期

关键词：

D O I：

10.1007/s002160051501

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A high output low-pressure mercury lamp, 400 W L-Hg, was successfully used for the photolytic decomposition of dissolved oganic compounds as the pretreatment for the determination of trace metal ion in aqueous solution by stripping voltammetry. Various amino acids, showing interferences on voltammetric determination of metal ions, can be removed quite easily by intensive UV irradiation at room temperature. Effect of pH concentration of electrolyte and dissolved oxygen on the efficiency of photolysis are also described. This method uses no additional chemicals such as acids or oxidants and can be carried out in closed clean conditions.

引用

页码：364 / 367

页数：4

共 46 条

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