Biochemistry - Gas Chromatography

Exercise : Gas Chromatography - Section 1
  • Gas Chromatography - Section 1
16.
Theoretical plates are used to
estimate the efficiency of a column
determine the thickness of the stationary phase
measure the distribution of the analyte between mobile and stationary phases
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

17.
What does the selectivity factor describe?
The proportional difference in widths of two chromatographic peaks
The maximum number of different species which a column can separate simultaneously
The relative separation achieved between two species
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

18.
Helium is generally preferred as carrier gas over nitrogen and hydrogen because
it is inert
it has a lower viscosity
it doubles up as a party gas for balloons and funny voices
all of above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

19.
The column is heated to
prevent analyte condensation within the column
control elution of the different analytes
reduce band broadening to get sharper peaks
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.

20.
What are the benefits of decreasing the column internal diameter?
Increased sample capacity
Increased resolution
Reduced risk of column overloading
All of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.