THE FREE-RADICAL CHEMISTRY OF PERSULFATE-BASED TOTAL ORGANIC-CARBON ANALYZERS

被引：287

作者：

PEYTON, GR

机构：

[1] Office of Environmental Chemistry, Illinois State Water Survey, Champaign

来源：

MARINE CHEMISTRY | 1993年 / 41卷 / 1-3期

关键词：

D O I：

10.1016/0304-4203(93)90108-Z

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Many methods for measurement of the dissolved organic carbon (DOC) content of natural waters are based on the generation of sulfate radical by photolysis or thermolysis of persulfate. Virtually all dissolved organic substances that are encountered in a DOC measurement on natural water should be completely degradable by sulfate radical, to carbon dioxide. In marine samples, competition for sulfate radical by chloride ion is so severe that incomplete mineralization of the DOC may result.

引用

页码：91 / 103

页数：13

共 17 条

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