A specific example shows the effect of firing conditions on the color characteristics and gloss of glazed porcelain surface after firing in a tunnel kiln. The whiteness of glazed porcelain is determined by the values ??of two indices: whiteness WI and shade Tw. It is shown that the porcelain whiteness index WI is closely related by feedback to the yellowness b * CIE L * a * b *, and the different shade T w - with the -a * (green) coordinate up to values ??that do not correspond to the permissible ... Gloss matches the glossy or high gloss surface of porcelain glaze
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