The Bone charcoal, with the CAS registry number 8021-99-6, is also known as Bone black. It belongs to the product category of UVCBs-organic. Its EINECS number is 232-421-2. What's more, its systematic name is Charcoal, bone. Its classification codes are: (1)TSCA Flag XU [Exempt from reporting under the Inventory Update Rule]; (2)TSCA UVCB. It is a fine black powder obtained by burning animal bones in a closed container. It consists primarily of calcium phosphate and carbon. It usually has lower surface areas than activated carbons, but presents high adsorptive capacities for copper, zinc, and cadmium. You should not breathe dust. When using it, you must avoid contact with eyes. It is used to remove fluoride from water and to filter aquarium water. It is often used in the sugar refining industry for decolorizing. It is also used to refine crude oil in the production of petroleum jelly. What's more, it is used as a black pigment. It is sometimes used for artist's paint, printmaking, calligraphic and drawing inks as well as other artistic applications because of its deepness. Today it is considered a synonym for bone char.
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