57 



TABLE 18 



EXPERIMENT 13 Continued. 



Regeneration in Acids - H3PO4 



cc.il <jP0 4 Tad. Length Length Length Ttegenerated in rsm» 

 in 100 no. in rw. removed 

 ce. water* in rom. 



D ate - Hcfiun 8/9/18 3/13 3/17 '\/~) 3/37 3/20 3/31 4/2 4/6 



*7.5 



r otal 



20 



Total 



1 



2 



a 



4 



2 

 3 



4 



30 

 35 



42 



13 



37 

 30 



10.0 

 10.2 

 10.0 

 10.2 



10*5 



10.0 



10.0 



10.0 



1.0 



V 



3,8 



0.5 



2. 



3.3 



1.0 



2.0 



3. 1 



1.0 



3T5 



lis 



lTT? 



4.0 



iTHT 



8.0 



- / . M 



35. 



0.7 



*• • ■ 



*«* 



0,6 



0.0 



1.0 

 8.5 



2.8 

 2.8 

 3,<) 



3.3 



2.7 



JO 



•1 , 



I, 



5.0 



10,3 



4. J 



o7 



3.7 

 4.4 

 4.5 



4,8 



17 



4.0 

 4.4 

 4.5 



3.5 



3.5 



* • 

 3.S 



3,5 

 3.2 

 4.1 



'"J.n 4.0 4.3 4 ,0 

 33.4 37. .7 3*» 



3.8 

 3.8 

 4,2 

 4.0 



15.*, 

 38. 



•1.0 

 1.1 

 4.2 

 4 .4 

 1ft. 7 



I .f, 41.0 42. 43. 11, 



3.8 



4.0 

 4.2 

 4.0 



ic7o 



38.5 



4*0 

 4.1 

 4*0 



43. 



4.0 

 4.1 



4 .3 

 10. b 

 41. 



3.8 3.8 

 4.0 4.0 



4.2 4.2 



4. 



4.0 



1M - 



3tJ.fl 3b. 5 



Approxinate I Ml or solution 

 initial after after 

 hrs. hr«. 



.2 "i. ! 



5.5 



3.0 4.8 



. 



22.5 



Total 



Total 



1 

 2 

 3 

 4 



1 

 2 

 3 

 4 



47 

 41 

 40 

 40 



40 

 43 



41 



38 



10.5 



l.o 



2.9 



4.0 



Arad 





10.4 



0.0 



b«o; 



3.0 



.7 



4.0 4.0 



11.2 



0.0 



3*. 8 



3,0 





3,3 3.2 



10. 



TTTT 



1.0 



2.4 



iirnr 



1 ~?7T 



dead 



~7r 



rrrr 772" 





o. 



25, 



33. 



. 



i, 33. 



11.0 



0.6 



2,3 





-. 



3.4 3.2 



1 ;.0 



1.0 



2.0 



<•* 



if .A 



dead 





10.0 



0.0 



2.4 



2.8 



.id 





10.0 



TT.IT 



1.0 



3.0 



iTCT 



13V? 





Id 2t& 





8.5 



25. 





. . 



32. 32. 



3.S 



14* 



3 t 5 

 (Of 

 32. 



4.0 

 3.3 



34. 



3.0 



30 1 



4.0 

 3.3 



773 

 34. 



» -i . B 3 . ! 



8*0 



30. 



4.0 

 3.3 



773* 

 34. 



3.2 



3.0 



G.O 



SO.II 



3.6 1.7 



3.4 4.4 



4.0 



