Chromatography- Part 2-Phyto-1- Class 24/25
Authored by Marwa Saify
Science
University
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Polymers could be analyzed by GC after:
Outgasing
solvent extraction
Pyrolysis
Solid phase micro extraction
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The connective tubes in GC are made of:
Copper
Aluminum
Stainles steel
Polymer
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Caoillary column in GC is characterised by:
Large sample capacity
Low resolution
Great sensitivity
Long analysis time
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
One of the GC detectors which detects the components at nanogram level:
Mass detector
ECD
FID
TCD
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
GC detector which relies on the fact that electronegative atoms, like halogens, will capture electrons from a β-emitter.
FID
ECD
TCD
Mass detector
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A universal and non-specific GC detector:
Mass detector
ECD
FID
TCD
7.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Lable (1) is.
(a)
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