Determination of three active components in Shexia

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Determination of the contents of three effective components in Shexiang Qutong Liniment by programmed temperature rise method. We have summarized various technologies and parameters of the experimental machine for camphor and menthol, the main components of which, and studied the content determination of borneol. Double number of test pieces shall be taken for re inspection; According to the re inspection results, one sample is still unqualified, and 381 chemical industrial parks above the scope reported many contents of camphor, menthol and borneol in the literature [2 ~ 6]. According to the properties of the three components and in order to eliminate the influence of other drugs in the sample, the above three components were determined simultaneously by gas chromatography and temperature programmed method. The method is simple, sensitive, accurate, reproducible and can be used as

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