mads spec Flashcards
1
Q
what is abundance
A
how common an isotope is
2
Q
whats an isotope
A
same element but with different neutrons
3
Q
whats the first step of TOF mass spec
A
ionization. atoms are turned into positive ions
4
Q
whats the second step
A
acceleretion. positive ions are attracted to the negative plate
5
Q
whats the third step
A
drift. down the chamber to detector
6
Q
whats the last step
A
detection. lighter ions are detected first. gain e- from detector
7
Q
what is the m/z
A
relative mass
8
Q
how many isotopes would a mass spec with three peaks have?
A
3
