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GC MS lens problem... Or voltage?

Discussions about GC-MS, LC-MS, LC-FTIR, and other "coupled" analytical techniques.

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GC MS lens problem... Or voltage?

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KevinBe
Dear all,

I'm everything but a specialist of GC MS... Today I noticed that I could not get any mass spec anymore!

I did run a quick check and... TADAM... look at the attached picture... Something is wrong with the lens 1...

How could I fix the problem? (Before that plot showed a curved line but at least now it is straight but still not passing through to origin...)

Thanks a lot for your help,

Kevin

Image

Re: GC MS lens problem... Or voltage?

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syringe
Hi Kevin

Please give details of your system. Brand, model, etc.

Did you open the analyzer or cleaned the ion source before the problem?
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