The determination was carried out under acidic condition, using CHCl_3 as a solvent, Dioctyl Sodium Sulfosuccinate as a volumetric solution, and Dimethyl Yellow - Methylene Blue as mixed indicator.

• 三氯甲烷为溶剂,磺酸钠基丁二酸二辛酯溶液为滴定液,用二甲基黄-亚甲蓝混合指示液,在酸性条件下进行滴定,以测定苦参碱含量。