Quality of light. 
a) Sunlight 
Darkness 
b) Sunlight 
Darkness 
c) Diffused light 
Darkness 
d) Diffused light 
Darkness 
a) Sunlight 
Darkness 
b) Sunlight 
Darkness 
c) Diffused light | 
Darkness 
d) Diffused light | 
Darkness 
a) Sunlight 
Darkness 
b) Sunlight 
Darkness 
c) Diffused light 
Darkness 
d) Diffused light 
Darkness 
Bromine and lactic acid. 
| 
= 
| Volume of Solution. 
| 
50). cc MS 
8 j i d 
10 lactic acid an 
| \ 10 c.c. bromine water. 
—_— ——— 
Do 
Do 
| 100 c.c Sodium lactate 
and 20 c.c. bromine 
Amount of 
Time of | bromine Unchanged 
exposure. added in bromine. 
grams. | 
| 
60’ 0.06328 | 0.03458 
60’ Do _ | 0.04975 
125’ Do 0.01032 
| 
125% Do 0.02419 
85’ Do _| 0.02992 
85’ Do 0.03975 
150’ Do 0.01038 
150’ Do 0.02045 
Sodium lactate and bromine. 
DD, 0. 12656 0.04872 
55/ Do 0.08532 
130’ Do 0.02319 
130’ Do 0.04875 
60’ Do 0.06925 
60’ Do | 0.08498 
160’ Do —— 0.03012 
| 
160’ Do 0.04234 
Bromine and malonic acid. 
251 0.06275 | 0.02125 
| 
25% Do | 0.04035 
48’ Do 0.01238 
48’ Do 0.02345 
30’ Do 0.02935 
30’ Do 0.04005 
100’ Do _ 0.00984 
100’ Do | 0.01375 
water. 
| OOR 
and 
water. 
Do 
N : : 
10 malonic acid 
10 c.c. bromine 
Do 
Do 
