Determination of Anthraquinone in Qingningwan

Zhu Ming, Yu Jianping. Determination of Anthraquinone in Qingningwan[J]. Chinese Journal of Modern Applied Pharmacy, 1994, (2): 46-48.

Citation:

Zhu Ming, Yu Jianping. Determination of Anthraquinone in Qingningwan[J]. Chinese Journal of Modern Applied Pharmacy, 1994, (2): 46-48.

Citation:

Zhu Ming, Yu Jianping. Determination of Anthraquinone in Qingningwan[J]. Chinese Journal of Modern Applied Pharmacy, 1994, (2): 46-48.

Abstract

An accurate method for measuring anthraquinone in Qingningwan was developed byspectrometry with emodinoas an external standard. The wavelength was 513 nm. Calibrationcurye was linear in the range of 0. 0314 - 0.2188 mg/ml (r = 0.9998) and average recovery

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