Carbon monoxide is a light, colorless, almost odorless gas, very difficult to liquefy.
No power that we have will liquefy air at its ordinary temperature.
Take of the boiled meal as much as you think requisite, adding sufficient of the broth to liquefy it.
If these crystals be heated to about 45° they liquefy, and the gas flies off.
When to be applied, it must be gently heated to liquefy it; and it should be kept for use in a well-corked phial.
They cannot be kept, as they liquefy at ordinary temperatures.
liquefy eight tubes of gelatine-agar and place them in the water-bath at 42° C, and cool down to that temperature.
As a group these bacteria are characterized by their inability to liquefy gelatin or develop spores.
It must be warmed to liquefy it for use, and kept in stoppered bottles when not required.
So far as known they are able to liquefy gelatin (also a peptonizing process) and form spores.