双波长紫外分光光度法测定复方氢醌乳膏中氢醌的含量
Determination of hydroquinone in compound hydroquinone cream by dual wavelength UV-spectrophotometric method
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摘要: 目的:建立复方氢醌乳膏中氢醌的含量测定方法。方法:采用双波长紫外分光光度法测定氢醌的含量。结果:氢醌在4.06-24.36μg/mL范围内线性关系良好(r=0.9998,n=6),平均回收率95.87%,相对标准偏差为0.51%。结论:该含量测定方法简便快速,结果准确。
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关键词:
- 复方氢醌乳膏 /
- 氢醌 /
- 双波长紫外分光光度法
Abstract: Objective :To establish a method for determining the content of hydroquinone in compound hydroquinone cream. Methods :The dual wavelength UV-spectrophotometric method was used for hydroquinone analysis. Results :The linear range of hydroquinone was 4.06 μg/mL-24.36 μg/mL(r=0.999 8,n=6),the average recovery was 95.87 %,RSD was 0.51%. Conclusion :This method is simple,rapid and accurate. -
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