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Chemistry for Sustainable Development

2004 year, number 2

Reaction Capacity of Mechanically Activated Tinstone

EKATERINA A. KIRILLOVA1, TALGAT S. YUSUPOV1 and MIKHAIL P. LEBEDEV2
1Trophimuk United Institute of Geology, Geophysics and Mineralogy,
Siberian Branch of the Russian Academy of Sciences,
Pr. Akademika Koptyuga 3, Novosibirsk 630090 (Russia)
2Yakutsk Scientific Centre, Siberian Branch of the Russian Academy
of Sciences Ul. Petrovskogo 2, Yakutsk 677891 (Russia)
Pages: 175-179

Abstract

An effect of mechanical activation on reaction capacity of tinstone under its dispersion with the minerals with different hardness and in the presence of reducing agents was investigated. Dependence of degree of SnO2 dilution in HCl on the hardness of the added under grinding mineral and on redox capacity of used reagents was fixed. It was determined that an activation barrier decreases with increasing reaction capacity.