AMMONIA, OR AMMOKIACAL GA»

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AMMONIA,

OR

AMMON3ACAL GAS.

PARI’ XXVII.

SECT. I.

This gas was first discovered by Dr. Priestley. It is com-posed of liidrogen and nitrogen rendered gazeous by the additionof caloric..

PROPERTIES OF AMMONTA.

Ammonia gas lias a strong and very pungent odour. It ex-tinguishes flame, yet it increases the magnitude of the flame of ataper before extinction, producing a pale yellow colour round itsedge. Animals cannot breathe it without death ensuing. It islighter than atmospheric air, in the proportion of three to five.It tinges yellow vegetable colours brown, and blue ones green.It is rapidly absorbed by cold water; by ardent spirit, essentialoils, ether, charcoal, sponge, bits of linen cloth, and all porousbodies.

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