原文由 jyjyzh 发表:
原文由 twanky 发表:
请教专家:我现在那台GC/MS灯丝用不到一个月就不行了,测试的样品量每月也就五六十个,请大家给点意见!
我的GC/MS也有此毛病,用不了多久,最近质谱还采集不到数据,不知道为什么
After cleaning the source, I suddenly have no baseline on the chromatogram. Why?
If the problem occurred after the source was cleaned, it could be as a result of the high multiplier voltage caused by the dirty source, which could cause an excessive signal level when the Mass Spec is initially tuned or scanned after the clean source is installed.
To correct this problem, lower the Multiplier voltage to approximately 1000 volts in [MAUAL TUNE] and save this value to, “[TUNE PARAMETERS]”, in the ATUNE.U tune file and re-tune the Mass Spec. If the Mass Spec passes the tune, more than likely the MS is okay.
如果你是由于清洗离子源之后出现的问题,可以参照上面的步骤解决看看!
如果你还没有解决问题,只有咨询800了哦!