BONEASH

Bone ash

Bone ash is a white material produced by the calcination of bones. Typical bone ash consists of about 55.82% calcium oxide, 42.39% phosphorus pentoxide, and 1.79% water. The exact composition of these compounds varies upon the type of bones being used, but generally the formula for bone ash is: Ca53. Bone ash usually has a density around 3.10 g/mL and a melting point of 1670°C . Most bones retain their cellular structure through calcination.

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bone ash

Noun

  1. The white, powdery ash left when bone is burnt; it is high in calcium phosphate and is used as a fertilizer and in making bone china.


The above text is a snippet from Wiktionary: bone ash
and as such is available under the Creative Commons Attribution/Share-Alike License.

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