256 REPORT OF THE CHEMIST OF THE 
TABLE XVIII.— SHow1nc Errect oF DituTIon or SuLPHURIC AcID UPon 
r. Ci 
EQUILIBRIUM RATIO—, 
Ce 


ie am aR: 
3 | ¥ 
g EE 2\ 
ad es silk = 
{ = 2% Sere} Rs! & ahs 
No.| METHOD OF OBTAINING EQUILIBRIUM. 's 30 |r — 
a ~,e ols XOlO 
£e ape O10 8/8 8 
Oa rad Glq Pet 
Ba aa 2 
2 Ap Sie 
Be 2/6 
fa) Suu O!DO 
«3 moO il 
Q —— 
1 | Shaking N-125 acid with casein. .... XIV 510.6 308.4 13.5 
2 | Shaking N-250 acid with casein. .... XVII 646. 329.7 Le 
3 | Replacing with water half of solution 
2 in contact with acid-casein and 
shakinip ey). F oe op. ee Oe Gee Ge XVII 923.4 411.0 13.4 
4 | Replacing with water half of solution 
in contact with acid-casein and 
Shaking ee on cee eee eee XVII 1205. 465.5 ies 3 
5 | Replacing with water half of solution 
4 in contact with acid-casein and 



shaking oe Age hae eee ee een ee SME 1499. 498.7 1234 
6 | Shaking N-500 acid with casein..... XV 2053. 622.0 14.1 
7 | Shak‘ng acid-casein with pure water.. XVI 2703. 695.0 Usee 




ACTION OF LACTIC ACID UPON CASEIN WITHOUT SOLUTION. 
The work with lactic acid covers the concentrations, N-125, 
N-500, and N-1000. We used 100 cc. of each solution for I gram 
of casein. The method of experiment is described in detail on 
pp. 210-221. The results of the work are presented in Table XIX. 
TABLE XIX.— SHow1inc AMmouNTS oF Lactic AciD TAKEN UP BY CASEIN AT 







0° C. 
pe! rs 6589 0.88 ¢ og 2 fay 5 
a : 3s gem | See 233 2 
ce as" 44 0 3 Oo 8 3 
fag Ps 1G egy oe he top © a'6 & ia os 
Bus 2 3 A take ae fs Gok ee ee wes wf 
aeals fo aa te ° hed a hae Ce oO OH ° 
Gear oF Me ny ee ase pe aap eo af 38 ie 
ou Ey 3B Sudus Sudud | B8-~ 99 u°sR 33 
806°9 % VOT8S VoRsS O94 a 230g b 
Cone 5 Fave a Rare BB ALO $85.5 2 
A QA oO Oo Ay 4 QA 
N-1000 0 933 0 0 0 ee stacon ate 
100 c. c. 5 min. 843 9.0 9.7 10.7 0 
for 1 gram, 45 min. 744 18.9 20.2 25.5 0 
of 14 hrs. 699 23.4 25.1 33.5 0 
casein. 6 hrs. -586 34.7 37.2 59.2 1 
0 & 944 0 0 0 aieterctake 
12 hrs. -532 41.2 43.6 77.6 1 
24 hrs. - 520 42.4 44.9 82.0 1 
48 hrs, -516 42.8 45.3 83.0 2 


