ON OXALIC ACID. 



weight 1 ascribed to the base. Hence I had the following 

 table, which exhibits the weight of each salt obtained, aud 

 its composition deduced from that weight. 



SI 



Salts. 



Weight 

 obtained 



C-,.mp 



osi' h 



.\cid 



Ba-e 



Oxalate of Ammonia 



9-4 



7 



•2-4 



— — Mag-nesia* • • 



9-5 



7 



2-5 



q^,ir, , . , , . 



110 



7 



4-0 





1 -. .^ ^ - 



11-2 



7 



4-2 





Pf.l-M-K . , . . 



\5-6 



7 



8-6 







1 17-6 



1 7 



10-6 





T> 



1 17-0 



7 



10-0 





The composition of these salts reduced to 106 parts is 

 given in the following table. 



Acid 

 Base 



Tota] 



Ox. of 

 Am- 

 monia 



74 45 



2553 



00 



Ox. of 

 Mag 



7368 



Ox of 

 Soda 



63'63 



— I— 



26-32 36 37 



100 



]00 



Ox. of Ox. oi 



Lime. 



6250 



37-50 



100 



Potasli 



44 87 



Ox of 



Stron 

 tian. 



3977 



Ox of 

 Ba- 



rytes 



41-U 



55'13 60-23'58'84 



100 ilOO 100 



Component 

 parts of the 

 oxalates. 



But for practical purposes, it is more convenient to consider 



* The oxalate of magnesia was obtained by neutralizing the oxalic 

 acid solution with ammonia, then mixing it with sulphate of magnesia, 

 evaporating the solaiionto dryness, and washing the insoluble oxalate of 

 magnesia with a sufficient quantity of water. 



the 



