572 Messrs. Hinshelwood and Bowen on the Rate oj 



Fie-. 3. 



ao 



4o 



Ph 



























, a i s 









c 



,0 . 





y-K 







/ // 



p /' 













f/J 





i 







Bo 



5 6o 



o qc 



50 



2cx? 



250 MitfuT&S. 



I. 



^ [ Finely ground KMn0 4 + Mn0 2 at 220° C. 



III.' Finely ground KMn0 4 at 220°'5 C. 

 IV. Large crystals KMn0 4 at 217° C. 



Fig% 4. 



• 





j 







"■ 









c 



/ 











s° 



! 



1 













/ 













































loo I So 2oo 2So 



Ammonium Bichromate at 219® C. 



3oo 



35-0 n INS. 



