Chromogenic 1,10-Phenanthroline for Determination of Lithium Ion

A new chromogenic 1,10-phenanthroline bearing picrylamino residue diplays a striking lithium ion-selective shift in maximum absorbance in the presence of base upon addition of lithium ions; upon lithium complexation the color of solution changes from pale yellow to brownish red, the color density be...

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Bibliographic Details
Published in:Chemistry letters 1996-01, Vol.25 (1), p.15-16
Main Authors: Sugihara, Hideki, Kajiwara, Jun-ichi, Akabori, Sadatoshi, Hiratani, Kazuhisa
Format: Article
Language:English
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Summary:A new chromogenic 1,10-phenanthroline bearing picrylamino residue diplays a striking lithium ion-selective shift in maximum absorbance in the presence of base upon addition of lithium ions; upon lithium complexation the color of solution changes from pale yellow to brownish red, the color density being dependent on lithium ion concentration.
ISSN:0366-7022
1348-0715
DOI:10.1246/cl.1996.15