An ion-selective electrode for analyzing C02 concentration in a liquid sample includes a support (1) having thereon a metal zone (2), a metal halide zone (3), an electrolyte zone (4), a zone comprising a membrane (5) containing an ionophore and a zone (6) comprising a hydrophilic binder and a buffer in an amount sufficient to provide a solution having a pH in the range of 7.5 to 9.5 when wetted with 5 µl of liquid.
一种用于分析液体样品中 C02 浓度的离子选择性电极包括一个支架 (1),支架上有一个
金属区 (2)、一个
金属卤化物区 (3)、一个电解质区 (4)、一个由含有离子团的膜 (5) 组成的区和一个由亲
水粘合剂和缓冲剂组成的区 (6),亲
水粘合剂和缓冲剂的用量足以在用 5 µl 液体润湿时提供 pH 值在 7.5 至 9.5 之间的溶液。