Chromogenic lariat ethers for selective alkali metal cation recognition.

Anal Chem

Department of Chemistry and Biochemistry, Texas Tech University, Lubbock 79409-1061, USA.

Published: November 2001

Twelve new proton-ionizable, picrylamino-type chromogenic lariat ethers derived from dibenzo-14-crown-4, dibenzo-16-crown-5 and dibenzo-19-crown-6 demonstrate good selectivity and remarkable color response upon extraction of alkali metal cations from basic aqueous solutions into chloroform.

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Source
http://dx.doi.org/10.1021/ac010799cDOI Listing

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