Random Flashcards
(5 cards)
1
Q
Column chromatography
What is put in?
Gas chromatography
What’s the stationary phase?
Mobile?
A
Silica al2o3 or resin liquid moves down different rates
Powder coated with oil on inside of tube
Inert gas
2
Q
Why tms
A
Single intense peak
Signal resonates to right
Non toxic and unreactive
Low bpt
3
Q
Spin spin coupling why?
A
Interaction between neighbouring nuclear spins
4
Q
Integration trace?
A
Area under each peak
5
Q
Chromatography
What do you do?
What does the mobile phase do?
What does the stationary phase do?
A
Dissolve in solvent and move over solid
Carries soluble component with
Holds back mixture attracted to it