Mass Spectrometry

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8 Terms

1
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what is mass spectrometry used for?

to measure either the Mr or Ar of samples

2
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what is step 1 of mass spectrometry?

ionise the sample (remove an electron)

3
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what is step 2 of mass spectrometry?

accelerated through an electric field

4
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what is step 3 of mass spectrometry?

travels down the flight tube

5
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what is step 4 of mass spectrometry?

hits the detector

6
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what are the peaks/abundance determined by?

the ratio of all possible Mr and Ar combinations with isotopes.

7
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when does fragmentation happen?

when the covalent bonds in the molecular ion break down to an ion and radical

8
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what is the base peak?

the most stable fragment/ peak