Mass Spec Flashcards
1
Q
What does M+ give you
A
Molecular weight of compound
2
Q
What does Mass Spec tell you?
A
The orientation of molecule fragments
3
Q
What does an odd molecular weight signify?
A
Odd number of nitrogen’s
4
Q
15 amu
A
Loss of methyl group
5
Q
29 amu
A
CH3CH2+
6
Q
43 amu
A
CH3CH2CH2/ isopropyl/
acylium ( CH3-C=O )
7
Q
77-78 amu
A
77 Mono sub benzene
78 full benzene
8
Q
91 amu
A
Mono sun benzene with methyl group. Or tropyllium
9
Q
105 amu
A
Benzene with mono sun acylium
