6 votes
Accepted

Can a colorant be mixed into zirconia powder?

Setting aside commercial sources whose manufacturers are unlikely to reveal their secrets, Chen et al.[1] describe the coloration of zirconia with oxides of cerium(IV), iron(III), and bismuth(III): ...
Oscar Lanzi's user avatar
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2 votes

What's the formal definition of a ceramic in chemistry?

A keramics is an opaque substance made from different amounts of different oxides in non stoichiometric amounts and homogenized by heating to a high temperature. The temperature must be high enough to ...
Maurice's user avatar
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1 vote
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How to chemically remove CaO from boron carbide?

Water should quickly react it, hotter water will remove it faster. Before you proceed, note that this reaction is exothermic and you need to have appropriate safety precautions. Additionally, this is ...
Daphy's user avatar
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