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  • Title: [Ultrafiltration properties in preparing injections of Chinese medicinal herbs using a J-48 ultrafilter].
    Author: Chi Q, Nie HS, Dang QP.
    Journal: Zhongguo Zhong Yao Za Zhi; 1989 Oct; 14(10):601-3, 639. PubMed ID: 2597324.
    Abstract:
    Four injections of single Chinese medicinal herbs and 3 medical solutions of pure substances showing impurities were prepared by J-48 ultrafilter. The retention rate of effective compounds and the clearance rate of impurity of each injection and solution before and after ultrafiltration were examined by a UV 265-FW Ultraviolet-spectrophotometer (Shimadzu, Japan).
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