Goncalves, Italo Gomes; Petter, Carlos Otavio; Machado, Jaqueline Lepkoski
(The Clay Minerals SocietyThe Clay Minerals Society, 2012)
Kaolin ores are usually contaminated by some Fe-bearing minerals, the strong colors of which degrade the quality of the final product. A spectroscopic technique is sought to quantify the content of hematite and goethite, ...