Study of Malayaite and Malayaite Cobalt Pigment |
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| Authors: | C Piña H Arriola N Nava |
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| Institution: | (1) Facultad de Química, Universidad Nacional Autónoma de México, Coyoácan, 04510 México D.F., Mexico;(2) Programa de Ingeniería Molecular, Instituto Mexicano del Petróleo, Eje Central Lázaro Cárdenas No. 152, Col Atepehuacan, , C.P. 07730 México, D.F., Mexico |
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| Abstract: | Calcium tin silicate, CaSnSiO5, called Malayaite is synthesized with equimolecular quantities of calcium oxide, silica and stannic oxide followed by a thermic
process. In this work, the synthesis of Malayaite and the structure of a Malayaite-based pigment, Sn/Co pink, is investigated
by X-ray diffraction and Mossbauer spectroscopy. The results indicate Malayaite and Cassiterite formation, but the ion cobalt
incorporated in the Malayaite structure, diminishes the Cassiterite proportion and causes larger asymmetry in the environment
of the tin atom. |
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