Analysis Flashcards
1
Q
Mobile phase
A
The phase that moves in chromotography
2
Q
Stationary phase
A
The phase that does not move in chromatography
3
Q
Adsorption
A
The process by which a solid holds molecules of a gas or liquid or solute as a thin film on the surface of a solid or more rarely a liquid
4
Q
Chromatogram
A
A visible record showing the result of separation of the components of a mixture by chromatography
5
Q
Retention time
A
Time in gas chromatography is the time for a component to pass from the column inlet to the detector
6
Q
Chemical shift
A
A scale that compares the frequency of an NMR absorption with the frequency of the reference peak of TMS at chemical shift=0 ppm
7
Q
Phase
A
A physically distinctive form of a substance, such as the solid, liquid and gaseous states of ordinary matter
