1. Natural talcum powder
Professor François MARTIN is director of the ERT 1074 Geomaterials technological research team at CNRS, and director of the IUP Génie de l'Environnement, Observatoire Midi-Pyrénées, Université Paul-Sabatier, LMTG-CNRS-UPS-IRD (Toulouse).
This article is dedicated to François FONTAN, a French mineralogist and systematician who passed away in July 2007.
About nanoparticles:Inorganic nanoparticles by Mr. Wautelet
Talc (figure 1) is a hydrated magnesium silicate Mg3Si4O10(OH)2. This is the simplest pole of the type 2:1 phyllosilicates, which includes smectites (swelling clays), for example. Most natural talcs contain very...
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Natural talcum powder