240 



period or UAcnoff o» ttonm*. 



S 50 



4 



PERIOD or RJLACTIOS CI MINUTES. 



3 



I 40 



PERIOD or REACTION W MXH0IE9 



100 



i 60 



| BO 



3 ?o 



\ 4 ° 



i 



8 60 



9 



b 



I 



J 40 

 ° 30 



PEhIOD OP R4ACTI0H CT MOtTTLs 

 10 15 20 25 30 35 40 45 50 55 60 



period or reaction di umuni. 



PERIOD Or REACTION IK MIKVTU 



5 10 13 20 25 30 33 40 43 60 55 60 



PERIOD OP RSACTIOIt Df MDT7TES. 



period or reactioh in MnnrTEs. 

 6 10 15 20 25 30 35 40 45 50 f5 60 



Charts D406 to D 420. — Velocity-Reactions of Starches of Iris ibcrica (-■ ■-), Iris cengialti (• 



mid Iris dordk ( ). 



-), 



400. With FotasBium ll\droxido. 



407. With Potassium [odide. 



408. With Potaa ium 8ulphooy&nate. 



I'hidc. 

 ■llii. With Sodium Hydroxide. 



•111. With Sodium Sulphide. 



412. With Sodium Salicylate. 



41.*. \\ ttfa Calcium Nitrate. 



414. With Uranium Nitrate. 



41J. With Strontium Nitrate. 



416. With Cobalt Nitrate. 



417. With Copper Nitrate. 



418. W itfa Cupric Chloride. 



419. With Barium Chloride. 



420. With Mercuric Chloride. 



