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Spectrophotometric Determination of Nitrite in Wastewater with 4,5-Dihydroxycoumarin

 

作者: M. Nakamura,   T. Mazuka,  

 

期刊: Analytical Letters  （Taylor Available online 1983）
卷期: Volume 16, issue 11  

页码: 811-819

 

ISSN:0003-2719

 

年代: 1983

 

DOI:10.1080/00032718308065218

 

出版商: Taylor & Francis Group

 

关键词: Spectrophotometry;analysis;nitrite;waste-water;4,5-dihydroxycoumarin;extraction

 

数据来源: Taylor

 

摘要:

A rapid and simple spectrophotometric method was developed for the determination of nitrite in wastewater. The procedure was based on the extraction of nitrite with ethyl acetate solution of 4,5-dihydroxycoumarin. Beer's law obeyed up to 0.75 ppm of nitrite-nitrogen. Results obtained by using the proposed method on waste-water samples agreed well with those obtained by the diazotising-coupling method.

 

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