NEW
Font size
WorksheetsGas Chromatography
Total questions: 10
Worksheet time: 3mins
1. Which of the following is used to inject sample into the column of gas.
Gas tight syringe.
Micro-syringe
Rotary sample valve
Solid injection syringe.
2. Capillary column is open tubular columns constructed from which of the following materials?
Glass
Metal
Stainless Steal
Fused Silica
3. Select the correct statement about simple inlet
I allow for the injection of the sample
II its allow rapid volatilization
III injected into a port that has been preheated to 300°c.
IV during analysis the temperature is kept between 150 to 300°c
I, IV, II
I, III, IV
IV, III, I
I, II, III
4. Which is TRUE statement about the stationary phase
The ____ volatile molecules moves ____ in stationary phase
less, faster
mole, faster
less, slower
mole, slower
5.What is a full name of FID detector?
A) Free induction decay
Flame ionization detector
Fuel injection diagnostic
First input delay
6. How many inlets in FID detector
3
5
4
6
7. Which of the following can be found in Gas Chromatography?
I Gas tank valve
II GC oven
III Gas flow controller
IV Cylinder
I, II, IV
II, III, IV
III, IV
I, II, III, IV
8. What is the function of Gas chromatography syringe?
To keep liquid and gasses
To take a blood from patient
To inject the sample inlet
To transfer the solution to vial
9. Which of the following is the RIGHT sequence of sample following into gas chromatography?
From sample to sample inlet, stationery phase, column and detector.
From sample to sample inlet, column, stationery phase and detector.
From sample to sample inlet, detector, column, and stationery phase.
From sample inlet to column, stationery phase and come to detector
10. Which of the following mobile phase must be used with CAUTIONS in Gas Chromatography?
He
N2
O2
H2
