217 



Brian Colinan and Wolf Vishniac 



1000 



500- 



100- 



50 - 



Minutes 



50 



100 



Figure 2. Characteristics of tritiiom labeling of chlorophyll a 

 and allomerized chlorophyll a. ^ 



Curve 1: Purified chlorophyll a treated with H OH in 

 ether + 2^ pyridine. 



Curve 2: Purified chlorophyll a boiled in ether with H-^OH 

 Curve 3: Allomerized chlorophyll a treated with H^OH 

 in ether + 2fo pyridine. 

 Ordinate in c.p.m. per sample counted. 



