Abstract

The particulars of the application of the colorimetric method for evaluating the whiteness and yellowness of porcelain are examined. The whiteness index of porcelain makes it possible to rank samples according to preference, which is the basis for evaluating their competitiveness and for sorting articles during production. Samples of solid porcelain cannot be distinguished from bone porcelain solely according to the whiteness or yellowness index, but it can be done in CIE L* A* B* colorimetric space coordinates.

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