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Topic: About HRMS  (Read 1852 times)

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Offline kamiyu

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About HRMS
« on: January 08, 2015, 03:20:39 PM »
Hello

I receive my HRMS result and I think the results show I got the compounds.

But I always observe peaks with double or even triple the molecular weight of my stuff. I think this is dimer.

Anyone can elaborate the formation of this dimer or trimer???
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Offline MOTOBALL

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Re: About HRMS
« Reply #1 on: January 11, 2015, 03:18:34 PM »
This type of question is really meaningless without providing, at the very least....

1. The method of ionization (EI, CI, ESI etc)

2. The mode (+ve or -ve)

3. The molecular formula

4. The m/z values observed
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