animal charcoal

American  

noun

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

---

Example Sentences

Others consider that the nitrogen, which is present in all animal charcoal and extremely difficult to remove, is essential to the action.

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

Filter through animal charcoal to remove part of the colouring matter.

From The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. by Eyre, J. W. H. (John William Henry)

If a brown colour is produced on the addition of sulphuric acid, another sample should be taken and boiled with animal charcoal before evaporating.

From The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. by Eyre, J. W. H. (John William Henry)

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

Animal Charcoal for Decolorisation.—The application of animal charcoal for decolorising purposes dates back a century, and various are the views that have been propounded to explain its action.

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