CO129-466 - Individuals - 1920 — Page 27

I

3

25

carbon monoxide.

The first bottle of acid absorbent was coloured a deep orange,

the next much less eo,

and the third was almost colourless. This last

gave

in one

in

the relort into a

1

ave no indication of any alkaloid being fresent, when tested with iodine solution. "The first two bottles were mixed Esjether, akaken with ether to remove torry matter, and the morphine, pyridine bases, and ammonia, determined

half of the mixture. Recourse was had to Pontag's method for the reparation of pyridine bases and ammonia as described in. "Technical Methods of Chemical Analysis"," Lange and Keane, Vol. I pt II, p 910. The acid solution was made alkaline and the pyridin

and ammonia distilled off with steam from the morphine remaining

receiver containing acetic acid. The distillate was again subjected to steam distillation to remove the pyridine bases from the acetate, the distillation being continues until a drop or two of the distillate, warmed with potosh solation, ceased to evolve the odour of pyridine. This last distillate was then renderes alkaline, and the pyridine bases distilled off, and estimated pyridine by N sulphuric acid solution, and mathyl orange. In order to observe the general nature of these pyridine bases, a portion of the solution not required for the litration was treated with platinum perchlonde. The platinum salt obtained was a mixture. partly crystalline, partly amorphous Being extremely small in amount, any separation of bases was

4.0

mon

num