A kind of quality control method of postpartum health ointment
A postpartum health and detection method technology, applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problems of not meeting the requirements, and achieve the effects of easy counterfeiting and imitation, uniform quality, and monitoring stability
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[0028] 1. Instruments and reagents
[0029] 1.1 Instrument: Shimadzu (SHIMADZU) LC-20AD high performance liquid chromatograph, PDA-20A detector, LabSolutions workstation, TigerkinODS-3C18 chromatographic column (4.6mm×250mm5μm)
[0030] 1.2 Reagents: The Nanhoukang ointment used in the experiment was provided by Jiangsu Haisheng Pharmaceutical Co., Ltd. The acetonitrile used in the liquid phase in the experiment was chromatographically pure, the rest of the reagents were analytically pure, and the water was ultrapure water.
[0031] 2. Methods and results:
[0032] 2.1 Preparation of the test solution: Take 10 bottles of different batches of this product, weigh 3g in each bottle, put it in a stoppered conical flask, add 10mL of purified water, shake to dissolve, add 20mL of ethyl acetate, shake and extract for 5min , stand still. After the upper and lower layers are clear, take the upper layer extract. Repeat the extraction twice, combine the extracts, evaporate to dryness ...
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