Download PLANT PIGMENTS

PLANT PIGMENTS
.
http://members.aol.com/diaspore/vhouse/biology/projects/photosynthesis/woida/meaning_of_light.html#question_1
PLANT PIGMENTS
Image by Riedell
Make sure tip of paper
is touching solvent
Make sure green line
is ABOVE solvent
Put lid on jar
http://www.phschool.com/science/biology_place/labbench/lab4/pigsep.html
Factors that affect movement of molecules
along chromatography paper
Solubility
1. ___________of
molecule in solvent used
(better it dissolves… farther it will move)
Size
2. _____________of
molecule
(bigger molecules move slower)
3. _____________
of paper used
Surface
(Attraction of molecules to paper)
Time
4. __________allowed
to run
PLANT PIGMENTS
Carotene is orange yellow
Xanthophyll is lemon yellow
Chlorophyll a is blue green
Chlorophyll b is yellow green.