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Bone char


 

Bone char, also known as bone black or animal charcoal, is a granular black material produced by calcinating animal bones: the bones are heated to high temperatures in the absence of air to drive off volatile substances. It consists mainly of calcium phosphate and a small amount of carbon. Bone char has a very high surface area and a high absorptive capacity for lead, mercury, and arsenic.

Related Topics:
Material - Calcinating - Bone - Air - Volatile - Calcium phosphate - Carbon - Surface area

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