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Encyclopedia > Bone ash

Bone ash is the white, powdery ash left from the burning of bones. It is primarily composed of calcium phosphate. In contemporary times, bone ash is produced synthetically. It is commonly used in fertilizers, polishing compounds, and in making ceramics (such as bone china).


  Results from FactBites:
 
Synthetic Bone Ash (945 words)
Murlin Chemical Synthetic Bone Ash is a synthetic mold release agent for use in casting non-ferrous metals.
While this water is being agitated, the desired amount of synthetic bone ash is added at a uniform rate consistant with complete dispersion of the dry solids.
Slurries of synthetic bone ash are used at densities varying from 8 degrees Be to 24 degrees Be.
Bone China (694 words)
The bone is then treated to remove glue, which is processed and upgraded for use in normal applications where glue is used, and also for the sizing of expensive paper.
The raw bone which is left after the meat and glue have been extracted is then heated to about 1000 C at which temperature any residual organic material is burned off and the structure of the bone is changed to form suitable for the manufacture of bone china.
Prior to use the bone is finely ground with water before inclusion in the bone china body and it is calcined bone which gives traditional English bone china its translucency and whiteness.
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