ON OPTICAL ROTATORY DISPERSION. 
305 
Table XYII.—Rotatory Dispersion of Tartar Emetic in presence of excess of Alkali at 
20° C. 
5-53 gr. mol.) KSb0H 4 C 4 0 6 .|H 2 0-|-Tl *2 gr. (T mol.) KOH in 100 c.c. of solution. 
Length of tube — 6 dm. 
Simple formula. 
Pvt 1 — ~ 
L “ A 2 —0'06275' 
A. 
a. 
[M] obs. 
[MJ calc. 
[M]—[MJ. 
[M] A 2 . 
Li 6708 
-22-90 
-229-0 
-231-1 
+2-1 
-103-0 
Cd 6438 
-25-38 
-253-8 
-254-4 
+0-6 
-105-2 
Na 5893 
-31-37 
-313-7 
-314-5 
+0-8 
-108-9 
Hg 5790 
-32-88 
-328-8 
-328-4 
-0-4 
-110-2 
Cu 5782 
-32-91 
-329-1 
-329-5 
+0-4 
-110-0 
Hg 5769 
-33-13 
-331-3 
-331-3 
± 
-110-3 
Cu 5700 
-34-11 
341-1 
-341-3 
+0-2 
-110-8 
Hg 5461 
-38-04 
-380-4 
-380-0 
-0-4 
-113-4 
Cu 5218 
-42-72 
-427-2 
-426-8 
-0-4 
-116-4 
Cu 5153 
-44-12 
-441-2 
-441-2 
» 
it 
-117-2 
Cu 5105 
-45-32 
-453-2 
-452-2 
— 1-0 
-118-1 
Cd 5086 
-45-78 
-457-8 
-456-7 
— 1-1 
-118-4 
Zn 4811 
-53-11 
-531-1 
-530-4 
-0-7 
-122-9 
Cd 4800 
-53-43 
-534-3 
-533-7 
-0-6 
-123-1 
Zn 4722 
-55-82 
-558-2 
-558-5 
+0-3 
-124-5 
Cd 4678 
-57-43 
-574-3 
-573-2 
— 1-1 
-125-7 
Hg 4358 
-70-20 
-702-0 
-703-6 
+1-6 
-133-2 
YOL. CCXXII.—A. 
9 
IT 
