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【Daily Question】Chemical Analysis Edition, 2021.2.12

2021-02-14View Original

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This post was last edited by zjp on 2021-2-14 08:04. Wishing all friends in the HaiChuan Chemical industry a happy Spring Festival, joy for the whole family, and success in everything! Single-choice question: In liquid chromatography, what does not significantly affect the separation efficiency? ( ) A. Change the type of stationary phase B. Change the flow rate of the mobile phase C. Change the ratio of components in the mobile phase D. Change the type of mobile phase Answer: B

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