最近S.S.M.Hassan等以Ag—DDC涂层电极指示银量法滴定磺胺的终点。M.IONESCN等以液膜汞电极为指示电极,间接测定某些磺胺药物。我们基于苯巴比妥等药物与Hg(NO_3)_2能生成难溶汞化合物,进一步探讨使用汞、银离子固态膜选择电极为指示电极,以硝酸汞为滴定剂对苯巴比妥、磺胺等进行微量滴定。并对滴定条件进行试验。 Recently S.S.M.Hassan et al Ag-DDC coated electrode indicating silver endpoint titration sulfa. M.IONESCN and other liquid mercury electrode as the indicator electrode, indirect determination of certain sulfa drugs. We based on phenobarbital and other drugs and Hg (NO_3) _2 can generate insoluble mercury compounds, to further explore the use of mercury, silver ion solid-state membrane selection electrode as the indicator electrode, mercury nitrate as titrant on phenobarbital, sulfonamides, etc. Microtiter. Titration conditions and test.