Ceftazidime:
P / N: Chenhang chromatography column 88182545 C18, 5u 250 × 4.6mm
Chromatographic conditions:
Mobile phase: acetonitrile: pH7.0 phosphate buffer (anhydrous disodium hydrogen phosphate 42.59g, potassium dihydrogen phosphate 27.22g
Add water to dissolve and dilute to 1000ml): Water = 20: 50: 440
The mobile phase ratio specified in the 2000 edition of the Pharmacopoeia: acetonitrile: pH7.0 phosphate buffer (anhydrous disodium hydrogen phosphate
42.59g, potassium dihydrogen phosphate 27.22g dissolved in water and diluted to 1000ml): water = 10: 50: 440
Detection wavelength: 254nm Flow rate: 1.5ml / min
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