Content determination method for spermatogenic tablets
A determination method and content technology, which is applied in the field of content determination of Shengjing Tablets, can solve the problems of inability to monitor the drug content of the drug king and minister, single quality standard content detection, etc., and achieve the effects of small error, good reproducibility, and cost saving
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[0034] A method for determining the content of Shengjing Tablets, which uses the Shengjing Tablets produced by Xi'an Qianhe Pharmaceutical Co., Ltd. to test, and uses liquid chromatography to measure the content of betaine in Lycium barbarum, comprising the following steps:
[0035] Step 1: Liquid Chromatography Conditions
[0036] Use propylamide bonded silica gel and C18 silica gel column as filler; use volume ratio of 20-30:80-70 acetonitrile-water, 20-30:80-70 acetonitrile-0.2% acetic acid solution, 20-30: 0.2% phosphoric acid-acetonitrile at 80-70 is the mobile phase; UV detector, detection wavelength 120-260nm; flow rate 0.6ml / min-1.2ml / min; column temperature 30°C; Below 3000.
[0037] (1) Determine the wavelength and select the optimal wavelength.
[0038] Weigh an appropriate amount of betaine reference substance, dissolve it in methanol, and perform a spectral scan in the range of 120-260nm. As a result, betaine has a maximum absorption at a wavelength of 192nm, so...
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