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制备了以脲醛树脂、KCl粉末、Ag/ Ag Cl丝为材料的 Ag/ Ag Cl固体电极 ,然后以此固体电极分别作为内外参比电极、以含四苯硼酸雷尼替丁离子对缔合物的 PVC膜作为敏感元件 ,组装成一种全固态复合式雷尼替丁电极 ,并详细研究了其性能。结果表明该电极具有良好的稳定性 ,其 Nernst响应范围为 5× 1 0 - 4～ 1× 1 0 - 1 mol/ L,斜率为 58.7m V/pc,检测下限为 2 .5× 1 0 - 4 mol/ L,使用寿命不少于 6个月 ,能用于盐酸雷尼替丁制剂的含量测定。
Ag / Ag Cl solid electrode with urea-formaldehyde resin, KCl powder and Ag / Ag Cl wire was prepared, and then the solid electrode was used as internal and external reference electrode, respectively, and ranitidine tetraphenylborate Of PVC membrane as a sensitive element, assembled into an all-solid composite Ranitidine electrode, and a detailed study of its performance. The results show that the electrode has good stability with a Nernst response range of 5 × 10 4 -1 × 10 1 mol / L, a slope of 58.7 m V / pc and a detection limit of 2.5 × 10 4 - 4 mol / L, the service life of not less than 6 months, can be used for the determination of ranitidine hydrochloride formulations.