吩噻嗪类药物广泛用于抗精神病，抗胆碱能和抗组胺。本文报道了两种简单、灵敏的方法用于吩惯陵类药物的测定。其原理是药物（盐酸异丙陵等）与亮蓝或橙黄一11在0．lmol·L’HCI条件下，形成有色离子对络合物，该离子对络合物可定量苹取干氯访中，经无水硫酸钠干燥氯仿液后用分 Phenothiazines are widely used in antipsychotics, anticholinergic and antihistamines. This article reports two simple and sensitive methods for the determination of phenylalanine. The principle is that the drug (such as isocrine hydrochloride, etc.) with bright blue or orange-11 at 0. lmol · L’HCI conditions, the formation of colored ion-pair complex, the ion-pair complexes can be quantitative dry-chlorine visit, the anhydrous sodium sulfate after drying the chloroform solution with points