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速效伤风胶囊是常用的抗感冒药,临床应用较广,其处方含有对乙酰氨基酚、咖啡因、扑尔敏、人工牛黄及一些辅料等该药的含量测定采用重氮化法测对乙酰氨基酚,该法操作费时,准确度较差。本文应用紫外导数光潜法测定其含量,方法简便,结果比较满意,方法介绍如下。1 仪器与药品紫外分光光度计,岛津UV-210,对乙酰氨基酚、咖啡因、扑尔敏、人工牛黄、淀粉及食用色素等,氢氧化钠、速效伤风胶囊。2 实验条件选择①零阶导数光潜的绘制:
Quick-acting Shangfeng Capsule is a commonly used anti-cold medicine, and has a wide range of clinical applications. The prescription contains paracetamol, caffeine, chlorpheniramine, artificial bezoar and some excipients. The determination of acetaminophen Phenol, the method is time-consuming operation, the accuracy is poor. In this paper, the UV derivative phototubule determination of its content, the method is simple, the results are satisfactory, the method described below. 1 instruments and medicines UV spectrophotometer, Shimadzu UV-210, acetaminophen, caffeine, chlorpheniramine, artificial bezoar, starch and food coloring, sodium hydroxide, quick cold capsule. 2 experimental conditions selection ① zero order derivative of the optical potential of drawing: