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Simultaneous Determination of Nickel(II) and Cobalt(II) by Second‐Derivative Spectrophotometry

 

作者: Wu‐Hsiung Ho,   Chien‐Lung Chen,   Huey‐ru Chen,  

 

期刊: Journal of the Chinese Chemical Society  （WILEY Available online 1995）
卷期: Volume 42, issue 1  

页码: 51-57

 

ISSN:0009-4536

 

年代: 1995

 

DOI:10.1002/jccs.199500009

 

出版商: WILEY‐VCH Verlag

 

关键词: Second‐derivative spectrophotometry;Nickel(II);Cobalt(II)

 

数据来源: WILEY

 

摘要:

Abstract4‐(2‐Pyridylazo) resorcinol, PAR, is shown to be useful for simultaneous determination of cobalt(II) and nickel(II) using second‐derivative spectrophotometric method with controlled experimental parameters. This method allows the determination of 0.20‐1.25 ppm of nickel(II) and 0.25‐1.50 ppm of cobalt(II) in mixtures with good precision and accuracy. This method has advantages of simplicity, speed and requires no prior se

 

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