【摘要】 提出了卡托普利的ＦＩ－ＡＡＳ分析新方法。它是基于在适当酸度条件下卡托普利将Ｃｕ^２＋还原为 Ｃｕ^＋．新生的Ｃｕ^＋与ＳＣＮ^－生成白色沉淀，经流动注射在线过滤稀释，以ＡＡＳ法测定反应剩余Ｃｕ^２＋的量来间接测定卡托普利的量。在２－１００ ｍｇ／Ｌ范围内呈良好的线性关系，回收率为９７．１％～９９．５％，采样频率为１００ｈ^－１。方法简单、快速、选择性好，节省试剂，用于卡托普利的测定．获得满意结果。更多还原

【Abstract】 A simple, rapid and high selective method for the assay of captopril has been developed. It is based on the reaction of captopril with Cu2 and SCN-to form precipitate quantitatively in aqueous solution. The amount of residual Cu2 + can he determined by flow injection on-line filtration-dilution-atomic absorption spectrometry, then the content of captopril can be determined indirectly. The linear range is 2-100 mg/L, the recovery is 97. 1 %-99.5%, the sampling frequency is 100/h. The method has been applied to determine captopril with satisfactory result.更多还原