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Determination of Cl, NH4‐N and metals in the surface water of the Isumi river, Japan‐environmental effects caused by iodine factories

 

作者: S. Mori,   H. Uchino,   Y. Dokiya,   E. Yoshimura,   S. Toda,   Y. Naruse,  

 

期刊: Journal of Environmental Science and Health . Part A: Environmental Science and Engineering  （Taylor Available online 1979）
卷期: Volume 14, issue 6  

页码: 487-500

 

ISSN:0360-1226

 

年代: 1979

 

DOI:10.1080/10934527909374893

 

出版商: Taylor & Francis Group

 

关键词: Cl;NH4‐N;Na;K;Mg and Ca Concentrations;River water;Waste Water of Iodine Factories

 

数据来源: Taylor

 

摘要:

A repeated inspection survey was performed of the concentrations of Cl, NH4‐N, Na, K, Mg, Ca, Fe, Cu and Mn in the surface water of the Isumi river, the longest river in Chiba prefecture, Japan. The sampling points were the places where the river water is introduced into the ricefields. The survey was continued from June, 1973 to Dec. 1977. It was found that the concentrations of Cl, NH4‐N, Na, K, Mg and Ca were unusually high through the year but particularly in winter mainly owing to the waste water of two Iodine Factories situated up river.

 

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