摘要
采用薄层扫描法测定了齿痛膜中没食子酸的含量,结果表明没食子酸点样量在0.262~2.62μg之间呈良好的线性关系,回归方程Y=3.617×10^6X-158.191,相关系数r为0.9977,平均回收率为99.03%,RSD为2.94%。该方法简便,专属性强,重现性好。
A dual Wavelength TLC scanning technique was developed for the determination of Gallic Acid in Chitong Medicinal membranes. Results gave a liner concentration range of 0. 262 - 2. 62μg. Regression equation of Y = 3. 617 × 106X-158.191,correlation coefficient r = 0.9977,average recovery is 99.03%,RSD=2.94%. This method is simple and reproducible.
出处
《中国药品标准》
CAS
2004年第3期23-24,共2页
Drug Standards of China