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Effect of Coloring Materials on Chromaticity Index of Cr－Ca－Sn－Si Pigment

ZHENG Naizhang, CAO Chuner, WANG Yongqing, SHEN Huarong, ZHU Zhigang

（Jingdezhen Ceramic Institute）

Abstract: The kinds and quantity of the coloring materials have been tested by the cross experiment design‚which is influential to the color of the Cr－Ca－Sn－Si pigments．The relations between them are discussed．It is showen that the best coloring materials composed of7～8wt％ CrCl3·6H2O and3～4wt％ Pb（BO2）2·H2O．It is pointed there is a regularity between the coloring materials and the Chromaticity index of the pigment． 

Keywords: Cr－Ca－Sn－Si pigment‚coloring materials‚chromaticity index．


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