Real bone ash (Di-Calcium Phosphate) is created by heating, or calcining cattle bone, followed by cooling and milling into a fine powder. This process renders it chemically inert and free of organic material.
Where does bone ash come from?
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 depending upon the type of bones being used, but generally the formula for bone ash is: Ca5(OH)(PO4)3.
What animal does bone ash come from?
As we mentioned earlier, bone china is made of 'bone ash', which is ash made from animal bones (usually those of a cow) mixed into the ceramic material. Cow bone ash is added into the mixture to give bone china that unique, creamy, soft colour it's famous for..
