Method for determining concentration of tadalafil in blood plasma by liquid chromatography-mass spectrometry
A technique of tadalafil and liquid mass spectrometry, which is applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problems of large matrix interference, complex composition, difficult to obtain samples, etc., and achieve high sensitivity, strong specificity, predictive The effect of simple processing method
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[0031] Example: Human K 2 Determination of Tadalafil Concentration in EDTA Plasma
[0032] 1. Experimental materials and analytical equipment
[0033] Tadalafil (analyte): U.S. Pharmacopeial Convention or equivalent or higher grade standard
[0034] Tadalafil-d3 (internal standard): SimSon Pharma or the same or higher grade standard
[0035] The reagents used are shown in Table 1 below:
[0036] Table 1 Reagent Details
[0037]
[0038]
[0039] Note: Reagents of the same grade or higher can also be used
[0040] The analytical equipment used is shown in Table 2 below:
[0041] Table 2 Details of equipment used
[0042] components model manufacturer Binary pump (binary pump) AC Pump AB SCIEX Degasser Degasser AB SCIEX Column oven AC Columnoven AB SCIEX Autosampler (auto sampler) AC Autosampler AB SCIEX Sample rack Rack Changer AB SCIEX Mass spectrometer QTRAP TM 6500+
AB SCIEX Data proces...
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