NATURE OF DEPOSIT UBTAINED FROM MILK. 155 
Freezing points of water and of milk. 
Liquid. | Experiment. | Freezing Point.) Supercooling. | Bath temp. 
Water 1 2°700 Tez — 2°5° C., 
2 2°700 Eel 2°9 
3 2°701 0-5 2°5 
Milk if 3°252 2°0 — 30 
2 3°251 2°0 3°0 
3 3°251 2°0 3°0 
The absence of the air-jacket thus does not affect the 
precision with which the freezing point can be determined. 
The followizg are the results obtained on milks from 
which different amounts of suspended matter had been 
removed :— 
Table I. 
Effect of removal of suspended matter on freezing point of milk. 
Milk. gee eee 5 Zero. Depression. | Acidity. 
31 “se o211 2°669 0°542 
00545 gm. o°212 0:°543 
00936 ,, | 3-216 0-547 
1138 ,, 3°220 0°551 
a2 ce 3°224 2°669 0°555 19°6 
0-0544 ,, 3°226 0:557 
0-0830 ,, | 3-266 0-557 19+4 
33 whi 3°221 2°669 0552 19:4 
0:0224 ,, 3°222 0°553 
0-0487 ,, | 3-219 0-550 
00940 ,, | 3-222 0-553 
01030 ,, | 3-227 | 0-558 19-6 
d4 ee 37251 2°700 0:551 19°2 
0:0688 ,, 3°241 0:541 
0598) J, 3° 249 0:549 
0:0766 _,, 3° 247 0°547 
O-10L6 -,, 3°250 0°550 20:2 
