Chromatography Flashcards
1
Q
T or F; Chromatography can be used on a colorless mixture?
A
True
2
Q
Why is cellulose used in paper chromatography?
A
polymer chains with hydroxyl groups, interact strongly with water, absorb well
3
Q
What are the components of our solvent?
A
Water , ammonia & methanol
4
Q
Why do we need to cover the paper inside the beaker during chromatography?
A
Because the solvent contains ammonia which is volatile
5
Q
What is nihydrin acetone composed of?
A
0.2 ninhydrin disolved in acetone
6
Q
How far did the solvent move in our experiment?
A
5.7cm
7
Q
Distance moved by: Proline ?
A
5.5cm
8
Q
Distance moved by: Leucine ?
A
5cm
9
Q
Distance moved by: Alanine ?
A
5.2cm
10
Q
Distance moved by: Aspartic acid ?
A
4.7cm
11
Q
Distance moved by: Arginine ?
A
2.8cm
12
Q
Distance moved by: Unknown amino acid ?
A
5.2cm
