308 
MESSRS. LOWRY AND AUSTIN ON OPTICAL ROTATORY DISPERSION. 
Table XX.—Rotatory Dispersion of Boro-tartaric Acid in Aqueous Solutions at 20° C. 
(a) 15 
gr. (0-10 mol.) 
tartaric acid 
(b) 7-5 
gr. (0-05 mol.) 
tartaric acid 
+ 6-2 
gr. (0-10 mol.) boric 
acid in 
+•4-65 gr. (0-075 mol.) boric acid in 
100 c.c. solution. 
100 c.c. solution. 
Complex Formula. 
Simple Formula. 
nvr 1 — 257 
1749 
nvr i - 
24-08 
- x2 _ 
-0'03 
A 2 — (P065 
L iVJ -2j — 
A 2 — 0+2458 
A. 
a. 
[M] obs. 
[Mi]. 
A. 
a. 
[M] obs. 
[Mo). 
[M.MM+ 
Li 6708 
+34-66 
57-8 
57-9 
-0-1 
Li 6708 
+16-76 
55-9 
56-6 
-0-7 
Cd 6438 
37-79 
63-0 
63-3 
-0-3 
Cd 6438 
18-40 
61-3 
61-8 
-0-5 
Na 5893 
46-00 
76-7 
76-6 
+0-1 
Na 5893 
22-43 
74-8 
74-6 
+0-2 
Hg 5790 
47-83 
79-7 
79-6 
+0-1 
Hg 5790 
23-24 
77-5 
77-5 
i 
ur 
Cu 5782 
47-90 
79-8 
79-8 
± 
Cu 5782 
23-39 
78-0 
77-7 
+0-3 
Hg 5769 
48-06 
80-1 
80-2 
-0-1 
Hg 5769 
23-42 
78-1 
78-1 
± 
Cu 5700 
49-50 
82-5 
82-3 
+0-2 
Cu 5700 
24-13 
80-4 
80-2 
+0-2 
Hg 5461 
54-38 
90-6 
90-5 
+0-1 
Hg 5461 
26-42 
88-1 
88-0 
+0-1 
Cu 5218 
60-04 
100-1 
100-0 
+0-1 
( Cu 5218 
29-28 
97-6 
97-2 
+0-4 
' Cu 5153 
61-86 
103-1 
102-8 
+0-3 
Cu 5105 
30-65 
102-2 
102-0 
+0-2 
Cu 5105 
63-06 
105-1 
105-1 
± 
Cd 5086 
30-92 
103-1 
102-9 
+0-2 
Cd 5086 
63-52 
105-9 
106-0 
-0-1 
Zn 4811 
35-09 
117-0 
116-4 
+0-6 
Zn 4811 
72-11 
120-2 
120-1 
+0-1 
Cd 4800 
35-17 
117-2 
117-0 
+0-2 
Cd 4800 
72-30 
120-5 
120-7 
-0-2 
Zn 4722 
36-50 
121-7 
121-4 
+0-3 
Zn 4722 
75-30 
125-5 
125-3 
+0-2 
Cd 4678 
37-24 
124-1 
124-0 
+0-1 
Zn 4680 
76-50 
127-5 
127-8 
-0-3 
Hg 4358 
43-62 
145-4 
145-6 
-0-2 
1 Cd 4678 
76-85 
128-1 
128-0 
+0-1 
Fe 4353 
44 
147 
146 
+1 
Hg 4358 
90-10 
150-2 
150-7 
-0-5 
Fe 4288 
45 
150 
151 
-1 
Fe 4242 
96 
160 
161 
—1 
Fe 4261 
46 
153 
153 
± 
Fe 4182 
99 
165 
166 
-1 
Fe 4210 
47 
156 
158 
—2 
Fe 4123 
102 
170 
172 
Fe 4178 
48 
160 
161 
-1 
Fe 4072 
105 
175 
177 
-2 
Fe 4100 
50 
167 
168 
-1 
Fe 4046 
107 
\ 
178 
180 
-2 
