The methods of the acid-Alkali titration and the extra-violet one Scala were employed to determine the contents of ephedrina hydrochloridum and hydrocortisone in ointment.

• 用酸碱滴定法和紫外一阶导数的方法分别对软膏中盐酸麻黄碱和氢化可的松的含量进行测定,结果表明:盐酸麻黄碱的平均回收率为100。