132 Scientific Proceedings, Royal Dublin Society. 
Serres 2.—(Arriricta, Mixrurss). 
Paraftined Winchester Quarts containing purified air and known volumes 
of carbonic anhydride. ‘Titrations performed within the bottles. 
Barometer = 758 mm. T.= 20° C. 
1 c.c. CO, added = 0°929 c.c. at N. T. P. 
No. of Baryt luti | : Carboni hydrid 
Ee cement: asa Wi: Acid required. x  teteidle ise 
1 0) CO: 40°00 c.ce. 1:000 c.c. 
2 2) OD 40°30 2 0-970 ” 
3 90 ENE 55 0:830 ,, 
4 2 98) 40°57 ” 0-943 ” 
Carbonic anhydride taken, = (92D @.@, 
ns 5 found (mean), = (P9885, 
Error (mean), : 5 St OOO7 5, 
Series 6.—(ArririciaL Mrxtures). 
Paraffined Winchester Quarts containing purified air and known volumes 
of carbonic anhydride. ‘Titrations performed in vacuum apparatus, 
No. 1, with a portion only of the baryta solution, but without 
filtration. 
0:935 c.c. CO, added at N. T. P. 
IND) OF Deine Bare : : | eerie Carbonic 
“ment. | added. | titrated. | 1 | forsoc.e.of | anhydride found. | 
| | aryta. 
1 50 c.c. 30 C.C. 29°30 c.c. 1°86 c.c. 0-814 c.c. 
2 re | 55 28°65 ,, 40°93 ,, 0:907 _,, 
3 » > 230s 41:00 ,, 0-900 ,, 
4 ” ” 28°55 ” 40°78 ” 0-922 ” 
5 9 | 29 28°70 ,, 41:00 ,, 0: 9005s 
6 » 13 29°20 ,, [= rANlic/(pligaeers | @620> 9, 
| Carbonic anhydride taken, : ‘ = 0935 Ge. 
| sg ie, found (mean), = 8719) 5. 
Error (mean), . 5 =—OOH8 5, 
