Measuring method for GCMS fingerprint spectrum of Xingnaojing injection and standard fingerprint spectrum thereof
A technology for Xingnaojing injection and a determination method, which is applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problems of not simultaneously measuring the four medicinal materials in Xingnaojing injection, and achieve the perfection of quality control technology and guarantee The effect of high accuracy and similarity
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[0046] 1. Instruments and reagents
[0047] 1.1 Instrument
[0048]One hundred thousandth analytical balance (Sartorious), Agilent Intuvo 9000 / 5977B GC-MS, Milli-Q deionized water system, high-speed refrigerated centrifuge.
[0049] 1.2 Reagents
[0050] Camphor, borneol, β-elemene, curcumone, protocurcumenol, gemaconone, curedione, curcumenone, muscone reference substance, methanol, mass spectrometry water.
[0051] 2. Preparation of the test article
[0052] Preparation of the test solution: Precisely pipette 10 mL of Xinnaojing injection, pass it through a C18 solid-phase extraction column (activated with 3 ml of methanol in advance, equilibrated with 3 ml of water); rinse with 3 ml of mass spectrometry water; divide into two times, each time with 2 ml of methanol Clean the filler, collect the eluate in a 5ml centrifuge tube, add excess anhydrous sodium sulfate to remove excess water, transfer to a 5ml volumetric flask, wash anhydrous sodium sulfate with a small amount o...
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