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KANG Huai-ping. Determination of sodium salt of 11-phosphate by TLC-UV spectrophotometry[J]. Journal of Pharmaceutical Practice and Service, 2004, (1): 7-9.
Citation:
KANG Huai-ping. Determination of sodium salt of 11-phosphate by TLC-UV spectrophotometry[J]. Journal of Pharmaceutical Practice and Service, 2004, (1): 7-9.
Determination of sodium salt of 11-phosphate by TLC-UV spectrophotometry
College of Chemical and Pharmacentical and Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China
Received Date: 2003-08-21
Abstract
Objective To determine the content of sodium salt of 11-phosphate. Methods Silybin and sodium salt of 11-phosphate were separated by TLC. The content of sodium salt of 11-phosphate in solution was determined by UV spectrophotometry. The detection wavelength was 288nm. Results The linear rang was 5～30μg/mL(r=0.9996).The recovery was 98.93%(n=5),RSD was 1.12%. Conclusion The method can eliminate the interference of silybin, the result was accurate.
Abstract: Objective To determine the content of sodium salt of 11-phosphate. Methods Silybin and sodium salt of 11-phosphate were separated by TLC. The content of sodium salt of 11-phosphate in solution was determined by UV spectrophotometry. The detection wavelength was 288nm. Results The linear rang was 5～30μg/mL(r=0.9996).The recovery was 98.93%(n=5),RSD was 1.12%. Conclusion The method can eliminate the interference of silybin, the result was accurate.
KANG Huai-ping. Determination of sodium salt of 11-phosphate by TLC-UV spectrophotometry[J]. Journal of Pharmaceutical Practice and Service, 2004, (1): 7-9.
Citation:
KANG Huai-ping. Determination of sodium salt of 11-phosphate by TLC-UV spectrophotometry[J]. Journal of Pharmaceutical Practice and Service, 2004, (1): 7-9.
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