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Determination of phenylphosphorodiamidate in soil extracts and urea fertilizer solutions1

 

作者: D. A. Martens,   J. M. Bremner,  

 

期刊: Communications in Soil Science and Plant Analysis  （Taylor Available online 1983）
卷期: Volume 14, issue 10  

页码: 915-923

 

ISSN:0010-3624

 

年代: 1983

 

DOI:10.1080/00103628309367419

 

出版商: Taylor & Francis Group

 

关键词: Phenylphosphorodiamidate;soil extracts;urea fertilizer solutions

 

数据来源: Taylor

 

摘要:

A simple colorimetric method of determining phenylphosphorodiamidate in soil extracts and urea fertilizer solutions is described. It involves measurement of the yellow color produced when phenylphosphorodiamidate is treated with sodium perborate solution in the presence of benzidine. The method is rapid, sensitive, and precise, and it gives quantitative (99–101%) recovery of phenylphosphorodiamidate added to soil extracts or urea fertilizer solutions.

 

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