Abstract

Quality control of mineral impurities in industrial talcs

Author(s): Kaouther Belgacem, Philip Llewellyn, Kais Nahdi, M.Trabelsi-Ayadi

A practicalmethod to determine and qualify commonmineral impurities in talc (chlorite) usingControlled transformation Rate ThermalAnalysis (CRTA) has been investigated. The vacuum conditions and low rate of decomposition used in the present study has enabled to understand and quantify the decomposition in terms of the different brucite and talc sheets of the present mineral sample with chlorite impurity.


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