Issue 3, 1985
From the journal:

Analyst

Lithium-selective polymeric membrane electrodes based on dodecylmethyl-14-crown-4

Sadaya Kitazawa,   Keiichi Kimura,   Hideki Yano  and  Toshiyuki Shono  

Abstract

Lithium-selective electrodes were prepared with polymeric membranes containing dodecyl-methyl-14-crown-4 as a neutral carrier. The effects of the crown ether content in the membrane and the type of membrane solvent on the electrode properties were investigated. Typical Li+-selective electrodes showed a linear Nernstian response in the activity range 1 × 10–5–1 M LiCl, preferring lithium to sodium and hydronium ions by factors of 150 and 6800, respectively. Addition of trioctylphosphine oxide to the membrane enhanced the lithium selectivity over sodium in the electrode, although it had adverse effects on the lithium selectivity over hydronium ion and the detection limit. The determination of lithium in artificial serum samples was also attempted with these lithium-selective electrodes.

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Article information

DOI
https://doi.org/10.1039/AN9851000295
Article type
Paper

Analyst, 1985,110, 295-299

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Lithium-selective polymeric membrane electrodes based on dodecylmethyl-14-crown-4

S. Kitazawa, K. Kimura, H. Yano and T. Shono, Analyst, 1985, 110, 295 DOI: 10.1039/AN9851000295

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