Mass Spectrometer Flashcards

1
Q

What state must the sample be for a mass spectrometer? Why?

A

Gaseous, for the ions to move freely.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

How is the sample ionised in a mass spectrometer? To form what type of ion?

A

Positive ions formed.
As the electron gun shots high speed electrons at the sample, to knock off an electron.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is used to accelerate the positive ions in a mass spectrometer?

A

Electric field.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Where do ions go to be deflected according to their mass/charge in a mass spectrometer?

A

Magnetic field.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What can be calculated from the mass spectrum data?

A

The Ar of an element.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are the common Cl isotopes and their abundance?

A

Cl - 35(3/4) & 37(1/4)
Cl2 - 70(9/16) & 72(6/16) & 74(1/16)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly