PERIOD OF kXACnOH 



5 10 15 20 25 30 3 



8 



i 



Ii 



Ii 



gi * 



668 



MlNLTSa 



40 45 50 



PERJOO OP REACTION IN UlNUTLS 



5 10 15 20 25 30 35 40 45 50 _55_QO 



,1 tf V.to*ilj-Ri(Uoni wilb Cbloiil HrdHU. 

 PERIOD OP REACTION EN IdlROTES. 



PERIOD OP REACTION IN MUTUTES- 



PERIOD OP REACTION IN MDTWTE8. 



ioor 



PERIOD OF REACTION W MINDTES. 



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



PERIOD OP REACTION IN IUNCTE3. 

 5 10 15 20 25 30 35 40 45 50 35 I 



PERIOD Of REACTION IN KIHUTES- 



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



E * 

 8 



i " 



676 



PERIOD OP RBACTltl/l If I 



B 10 >5 20 25 30 35 40 45 50 55 60 



PERIOD OP REACTION IN MINUTES 



6 10 15 20 25 30 35 40 45 50 55 60 



CHARTS 608 TO D 682. Velocity-Reactions of Starch of Iris iberica with various reagents, showing the percentage of 

 the entire number of grains (-- --) and of the total starch ( - ) gelatinized. 



668. With Chloral Hydrate. 



669. With Chromic Acid. 



670. With Pyrogallic Acid. 



671. With Nitric Acid. 



672. With Sulphuric Acid. 



673. With Hydrochloric Acid. 



674. With Potassium Hydroxide. 



675. With Potassium Iodide. 



676. With Potassium Sulphocyanate. 



677. With Potassium Sulphide. 



678. With Sodium Hydroxide. 



679. With Sodium Sulphide. 



680. With Sodium Salicylate. 



681. With Calcium Nitrate. 



682. With Uranium Nitrate. 



