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表1 LC-MS列的分析条件：Shim-Pack VP-ODS（2.0mmi.d.x 150mml。）Mobile phase A : 10mM ammonium acetate buffer adjusted to pH 4.0 with acetic acid Mobile phase B : acetonitrile Time program : 5%B (0-1min) 80%B (12-15min) 80%B (15.01-25min) Flow rate : 0.2 mL/min Injection volume : 50uL Column temperature : 40 ° C Probe voltage : (1)+4.5 kV (0-10min, ESI 积极的）; (2)-3.5kV (10-20min, ESI negative) CDL temperature : 200 ° C Block heater temperature : 200 ° C Nebulizing gas flow : 4.5 L/min CDL voltage : (1) -20 V, (2) 20 V Q-array 1, 2 DC : 0 V Q-array 3 DC : Scan mode Q-array RF :Scan mode Scan range : m/z 200-600
LC-MS申请数据表No. 034 Penicillin的分析...
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