AGAR AND RELATED PIIYCOCOLLOIDS 



81 



TEMPERATURE OF GELATION 

 AND MELTING, HYPNEA AGAR 



IXHYPNEA AGAR 



_i I 



2 3 4 5 6 7 



PERCENT KCL 



10 



Fig. .5-14. Temperature of gelation and melting, Hypnea agar. 



Fig. .5-15. The Jones and Peat conception of the group linkages in the structural 



formula for agar. 



