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Nitrochromeazo titrimetric determination of sulfate in irrigation and other saline waters1

 

作者: B.A. Rasnick,   F.S. Nakayama,  

 

期刊: Communications in Soil Science and Plant Analysis  （Taylor Available online 1973）
卷期: Volume 4, issue 3  

页码: 171-174

 

ISSN:0010-3624

 

年代: 1973

 

DOI:10.1080/00103627309366433

 

出版商: Taylor & Francis Group

 

关键词: barium;water samples;soil extract;sewage effluent;well water;analysis

 

数据来源: Taylor

 

摘要:

Sulfate in various types of aqueous solutions such as soil‐water extracts, sewage effluents, irrigation water, and well water can be determined rapidly and accurately by a volumetric technique. The indirect method is based on the formation of the barium‐nitrochromeazo complex. Using a water‐acetone medium sharpens the end point and adding NH4F at low pH controls interferences.

 

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