ABSORPTION SPECTRA OF THE ALKALOIDS. 
501 
Apomorphine Hydrochloride. From T. and H. Smith and Co. Plate 56, fig. 1. 
0‘1 grm. in 20 cub. centims. of alcohol of sp. gr. 0‘8. 
Thickness of 
layer of liquid. 
Description of spectrum. 
- I 
Wave-lengths. 
• 
millims. 
5 
4 
3 
2 
1 
Continuous, strong to. 
Continuous, strong to. 
Continuous, strong to. 
Faint to. 
Continuous, strong to. 
Faint to. 
Continuous to. 
3465 
3465 
3465 
3434 
3465 
3403 * 
3330 
0-1 grm. in 20 cub. centims. of alcohol of sp. gr. 0'8 or 1 in 200. Fresh solution. 
Thickness of 
layer of liquid. 
Description of spectrum. 
Wave-lengths. 
millims. 
5 
Weak, continuous to. 
3456 
4 
Weak, continuous to. 
3456 
3 
Weak, continuous to. 
3438 
2 
Weak, continuous to. 
3403 
1 
Fairly strong, continuous to ... . 
3982 
Weak, continuous to. 
3403 
01 grm. in 20 cub. centims. 2 cub. centims. diluted to 10 cub. centims =1 in 1000. 
Thickness of 
layer of liquid. 
Description of spectrum. 
Wave-lengths. 
millims. 
5 
Continuous to. 
3403 
4 
Continuous to. 
3403 
3 
Continuous to. 
3403 
Faint to. 
3331-5 
2 
Continuous to. 
3261 
1 
Continuous to. 
3261 
Feeble lines at. 
3072 
2 cub. centims. of the last solution diluted to 10 cub. centims. =1 in 5000. 
Thickness of 
layer of liquid. 
Description of spectrum. 
Wave-lengths. 
millims. 
5 
Continuous to. 
3261 
4 
Same as last, but a little stronger 
3 
Continuous to. 
3245-5 
2 
Continuous to. 
3245-5 
Absorption band from. 
2976-5 to 2568 
Trace of a line at. 
2479-5 
3 T 
mdccclxxxv. 
