1116 
Sodium Malate and iodine. 
_ Quality of light | Time of | Amount of | Unchanged | Volume of solution 
exposure iodine added, iodine 
| 
1) Sunlight 200’ 0.0127 | 0.00415 50: ce; af sodium malate 
Darkness | 200° | Do 0.01072 and 10 c.c. x iodine 
2) Sunlight 380/ | Do | 0.00203 | 
Darkness 380’ | Do | 0.00552 | | a 
3) Diffused light 400’ Do 0.00385 | 
Darkness | 400° Do 0.00539 | | i 
4) Diffused light 480° Do 0.00295 | En 
Darkness 480’ Do | 0.00425 |} 
Malic acid and iodine. 
1) Sunlight 210’ | 0.00635 | 0.00512 | 50 c.c. x Malic acid and 
Darkness RA OA Do | 0.00595 : c.c x iodine solution 
2) Sunlight | 307 + Do _ | 0.00229 | ae 
Darkness | 390’ Do 0.00320 | 
3) Diffused light | 410 Do | 0.00261 | a 
Darkness | 410 | Do | 0.00312 |J 
4) Diffused light| 520’ | Do | 0.00187 | 
Darkness | 5204 Do | 0.00248 | a 
Sodium glycollate and iodine. 
1) Sunlight le 255/77 | 20500635) ||) 0500203 50 c.c. v sodium glycol- 
Darkness 255! | Do 0.00458 | late and 5 c.c. vv iodine 
2) Sunlight | 420’ | Do | 0.00128 
Darkness | 420’ | Do | 0.00287 | mie 
3) Diffused light | 480 | Do ‘0.00147 
Darkness | 480’ | Do |_0.00224 oe 
4) Diffused light | 550’ | Do 0.00125 |) 
Darkness | 550’ | Do 0.00192 | ne 
