A Lithium Ion-Selective Electrode Based on a Neutral Carrier
- 5 December 1975
- journal article
- research article
- Published by Informa UK Limited in Analytical Letters
- Vol. 8 (12), 857-866
- https://doi.org/10.1080/00032717508059061
Abstract
The performance of a liquid-membrane electrode using a synthetic, neutral carrier in tris-(2-ethyl-hexyl)-phosphate as membrane component in a PVC matrix is described. Selectivities, working range and lifetime are discussed. The electrode makes possible the measurement of lithium ion activities in the range 1M to 10−5M. The selectivities of lithium over sodium, potassium, magnesium and calcium are 20, 140, 6,000, and 1,900 respectively.Keywords
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