Question

Difference between lamp black and bone black chemistry

Answer 1

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LAMPBLACK
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a finely powdered black soot deposited in incomplete combustion of carbonaceous materials and used chiefly as a pigment (as in paints, enamels, and printing inks)







a fine black pigment consisting of almostpure carbon collected as soot from thesmoke of burning oil, gas, etc.


BONE BLACK
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Bone black is an impure black carbon pigment prepared from charring animal bones. Bone black is described in literature as being a deep blue-black to brown black color. It is composed of about 10% to 20% carbon and 80% calcium phosphate along with smaller amounts of other inorganic minerals. A fine particle size and high carbon content grade of bone black is sold commercially as ivory black.