LAB 16 : Plant Pigment Chromatography

PART B : WEB RESEARCH: Find information about each of the pigments; Chlorophyll a, 

Chlorophyll b, Carotenes,  and Xanthophylls.   ANSWER ON A SEPARATE PAPER, hand-written.

A.   What does each name mean in Greek? ( or Latin?)

B.   What kind of macromolecules are these pigments?

C.   What are the structures of the molecules?  A basic answer is expected, but full molecular structures are easily available on the Web.  You may print a photo or diagram of the molecular structure from a Web source. 

D.  What wavelengths of light are absorbed by these pigments, in nanometers?

Pigment Chromatography Lab Report Requirements  

PART A:

1. Data Tables :

a. Distances Pigments Moved

b. Rf Values, Calculations

2. Questions on the lab paper

PART B:

Web Research Questions A-E

The lab report must be hand-written