1906-7.] Mixed Solutions of Optically- Active Substances. 
177 
Table II. — Potassium Tartrates and Cane Sugar. 
Temp. 25° C. 
Mols. per 
litre. 
Optical 
Activity. 
Solution alone. 
Solution + Sugar. 
Difference 
in rj . 
'nlv o 
17 
V/Vo 
V 
•5 
d 
. 
1-2045 
•010732 
1-3055 
•011632 
•000900 
l 
1-2042 
•010729 
1-3052 
•011630 
•000901 
r 
1-2025 
•010715 
1-3028 
•011608 
•000893 
•25 
d 
1-0945 
•009752 
1T800 
•010514 
•000762 
l 
1-0955 
•009761 
1T815 
•010527 
•000766 
r 
1-0940 
•009748 
1-1790 
•010505 
•000757 
*125 
d 
1-0470 
•009329 
1-1245 
•010019 
•000690 
l 
1-0462 
•009322 
1-1240 
010015 
•000693 
r 
1-0460 
•009320 
1-1240 
•010015 
•000695 
Table III. — Potassium Tartrates and Maltose. 
Temp. 15° C. 
•5 
d 
1T890 
•013477 
1-2910 
•014634 
•001157 
l 
1*1886 
•013472 
1-2915 
•014639 
•001167 
r 
1-1870 
•013455 
1-2900 
•014622 
•001167 
Table IY. — Tartar Emetics and Cane Sugar. 
Temp. 15° C. 
•08 
d 
1-0245 
•011613 
1T055 
•012531 
•000918 
l 
1-0242 
•011609 
1T050 
•012525 
•000916 
r 
1-0232 
•011598 
1T042 
•012516 
•000918 
Table Y. — Tartar Emetics and Cane Sugar. 
Temp. 25° C. 
•08 
d 
1-0260 
•009142 
1 T042 
•009838 
•000696 
l 
1-0255 
•009137 
1T045 
•009841 
•000704 
r 
1-0250 
•009133 
1T037 
•009835 
•000702 
YOL XXVII 
12 
