Journal of Education and Practice
The Determination of Chemical Oxygen Demand in Water Quality Analysis
Abstract
The research is supported by a Project Funded by the brand professional project form Yancheng teachers college (2016) and the teaching reform and practice of medicinal chemistry (2018YCTUJGY006) and the Flagship Major Development of Jiangsu Higher Education Institutions”(PPZY2015B113)。
Abstract
Chemical oxygen demand is one of the most important items in water quality analysis. The method is mature and the operation is relatively simple. In this paper, several detailed problems in the determination of chemical oxygen demand (GB11914-89 dichromate method) are presented, and solutions are proposed according to the practical analysis and practice.
Keywords Chemical oxygen demand; Determination; Uniformity; Dilution factor; Interference elimination
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ISSN (Paper)2222-1735 ISSN (Online)2222-288X
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