Sensitivity of K + -Selective Microelectrodes to pH and Some Biologically Active Substances
作者： N. Kříž , Eva Syková
DOI: 10.1007/978-1-4615-9224-2_3
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摘要: Direct measurements of ion concentration changes in viv. became possible after the development of ion-selective microelectrodes (ISM) with a liquid ion-exchanger located in the shank of a glass micropipette tip (Walker, 1971). For potassium ISM, an organic resin Corning code 477317 was used as the ion-exchanger. This ion-exchanger employs 1-2-dimethyl-3-nitrobenzen for dissolving 2g/100 ml potassium tetra-kis (p-chlorophenyl) borate (Baum and Wise, 1971). The relative selectivities of Corning ion-exchanger for some cations …
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