TOF MS

Question 1

What does TOF stand for in Time of Flight mass spectrometry?

Answer 1

Time of Flight

Question 2

True or False: Time of Flight mass spectrometry is used to measure the mass-to-charge ratio of ions.

Answer 2

True

Question 3

Fill in the blank: In TOF mass spectrometry, ions are accelerated by an _______.

Answer 3

electric field

Question 4

What is the primary advantage of Time of Flight mass spectrometry?

Answer 4

High resolution and speed of analysis.

Question 5

Which component of a TOF mass spectrometer is responsible for separating ions based on their flight times?

Answer 5

The flight tube.

Question 6

What is the purpose of the ion source in a TOF mass spectrometer?

Answer 6

To generate ions from the sample.

Question 7

Fill in the blank: The time it takes for ions to travel through the flight tube is proportional to their _______.

Answer 7

mass-to-charge ratio

Question 8

True or False: TOF mass spectrometry can analyze ions in the gas phase only.

Answer 8

True

Question 9

Which factor affects the resolution of a TOF mass spectrometer?

Answer 9

The length of the flight tube.

Question 10

What is one limitation of Time of Flight mass spectrometry?

Answer 10

It can struggle with very large molecules due to longer flight times.

Question 11

Multiple choice: What happens to ions with higher mass-to-charge ratios in TOF mass spectrometry? A) They travel faster B) They travel slower

Answer 11

B) They travel slower