262 



KRIOD or UACTIOII a Kurorts. 



5 10 15 20 25 30 35 40 45 50 55 60 



PCUOD Of UACT1OH IK lUKtTTIS. 



HKIOD OF REACTION HI 



S 10 15 20 25 30 35 40 45 50 55 60 



CHARTS D 683 TO D 688. Velocity-Reactions of Starch of Iris iberica with various reagents, showing the percentage 

 of entire number of grains ( ), and total starch ( ) gelatinized. 



683. With Strontium Nitrate. 



684. With Cobalt Nitrate. 



685. With Copper Nitrate. 



686. With Cupric Chloride. 



687. With Barium Chloride. 



688. With Mercuric Chloride. 



mioD or UACTIOII w Moron* 

 10 15 30 25 30 33 40 5 M K 60 



689 



PtRIOD Of REACnOK 01 MINUTES. 

 5 10 15 20 25 3O 35 4O 45 50 55 < 



S 



CHARTS D 689 TO D 691. Velocity-Reactions of Starches of Amaryllis belladonna ( ), Phaius grandifolius 



( ), and Miltonia vexillaria ( ). 



689. With Uranium Nitrate. 690. With Cobalt Nitrate. 691. With Pyrogallic Acid. 





