Method for determining 10 quinolone antibiotics in bean sprouts by ultra-high performance liquid chromatography-tandem mass spectrometry
An ultra-high performance liquid phase and tandem mass spectrometry technology, applied in the field of food testing, can solve the problem of limited research objects, achieve the effects of improving extraction efficiency, improving analysis sensitivity, and shortening analysis time
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[0026] 1 Experimental part
[0027] 1.1 Instruments, reagents and materials
[0028] AB Sciex 5500 tandem mass spectrometer (AB Sciex, USA); AQUITY UPLC I-Class ultra-high performance liquid chromatography (waters, USA); MilliQ deionized water generator (Millipore, USA); N-EVAP48 nitrogen blowing instrument (USA Orangaomation company), IKA MS3 vortex mixer; 0.22 μm organic phase needle filter (China ANPEL company).
[0029] Acetonitrile (Merck, USA); formic acid (Fisher Scientific, USA); PRIME HLB purification column (100mg, 6mL, waters, USA); enrofloxacin (CAS NO.93106-60-6), ciprofloxacin (CAS NO.85721-33-1), norfloxacin (CAS NO.70458-96-7), pefloxacin (CAS NO.70458-92-3), ofloxacin (CAS NO.82419-36- 1), sarafloxacin (CAS NO.98105-99-8), dafloxacin (CAS NO.112398-08-0), sparfloxacin (110871-86-8), fleroxacin (CAS NO. 79660-72-3), lomefloxacin (CAS NO.98079-51-7) are all from Dr.Ehrenstorfer GmbH, Germany; the chemical structural formulas of the quinolone core and 10 kinds...
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