animal charcoal

American  

noun

1. carbon obtained from the carbonization of organic tissue of animals.

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Example Sentences

See Examples For:

animal charcoal

The distillate is concentrated and after treatment with animal charcoal and filtration should conform to the requirements of the British Pharmacopœia.

From The Handbook of Soap Manufacture by Simmons, W. H.

Of these, the spent animal charcoal of the sugar-refiners, usually containing about 70 per cent of phosphates, and South American bone ash, are the most important.

From Elements of Agricultural Chemistry by Anderson, Thomas

A variety of animal charcoal is sometimes prepared by calcining fresh blood with potassium carbonate in large cylinders, the mass being purified by boiling out with dilute hydrochloric acid and subsequent reheating.

From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3 "Capefigue" to "Carneades" by Various

The most common varieties met with are lampblack, gas carbon, wood charcoal, animal charcoal and coke.

From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3 "Capefigue" to "Carneades" by Various

Insoluble Phosphates.—These are purchased alone, chiefly in the form of coprolites and bone-ash, or the spent animal charcoal of the sugar refiners.

From Elements of Agricultural Chemistry by Anderson, Thomas