大家帮忙看一下,我的GC-MS色谱图基线怎么变成这样了?我用的是不分流进样,甲苯溶剂,调谐通过了,为什么甲苯峰都没了,刚换的衬管,谢谢了
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我的操作条件如下:柱箱 Initial temp: 100 'C (On) <P 0cm? 0cm="0cm" 0pt?>
Initial time: 3.00 min Equilibration time: 0.50 min<P 0cm? 0cm="0cm" 0pt?>
Ramps: # Rate Final temp Final time<P 0cm? 0cm="0cm" 0pt?> 1 10.00 320 5.00
Mode: Splitless Initial temp: 320 'C (On) Pressure: 2.72 psi (On)<P 0cm? 0cm="0cm" 0pt?> Purge flow: 60.0 mL/min<P 0cm? 0cm="0cm" 0pt?> Total flow: 63.7 mL/min Initial flow: 1.0 mL/min
Nominal init pressure: 2.91 psi<P 0cm? 0cm="0cm" 0pt?>
AUX 2 320 'C (On)<P 0cm? 0cm="0cm" 0pt?><P 0cm? 0cm="0cm" 0pt?>
FRONT INLET Initial temp: 320 'C (On) Pressure: 2.72 psi (On)<P 0cm? 0cm="0cm" 0pt?>
离子源温度 250四极杆温度 150
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