Zhang Weiying(Zhang WY). Determination of ephedrine hydrochloric acid in Zhenkening Tangjiang by second derivative ultraviolet spectrum[J]. Chinese Journal of Modern Applied Pharmacy, 1998, (5): 50-51.
    Citation: Zhang Weiying(Zhang WY). Determination of ephedrine hydrochloric acid in Zhenkening Tangjiang by second derivative ultraviolet spectrum[J]. Chinese Journal of Modern Applied Pharmacy, 1998, (5): 50-51.

    Determination of ephedrine hydrochloric acid in Zhenkening Tangjiang by second derivative ultraviolet spectrum

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