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溴咖合剂为医院常用制剂,由溴化钾和安钠咖组成,常用0.05%尼泊金乙酯作为抑菌剂。制剂中安钠咖的含量测定方法有碘量法、中和法。本文根据安钠咖和尼泊金乙酯的紫外吸收光谱特征,采用吸收度线性组合分光光度法测定安钠咖含量。
Broccoli agents commonly used in the hospital preparation, composed of potassium bromide and sodium security, 0.05% of the commonly used ethylparaben as a bacteriostatic agent. Sodium benzoate in the determination of the content of iodine method, the method of neutralization. In this paper, sodium benzoate and parabens UV absorbance spectroscopy characteristics, absorption linear combination of spectrophotometric determination of sodium content.