Benharrats N.; Belbachir M.; Legrand A.P.; D'Espinose de la Caillerie J.-B.(2003)
The alkali leaching of two aluminosilicates, kaolinite and metakaolinite, with aqueous NaOH has been studied. Both silicates gave hydroxysodalite (HS) with or without the evanescent zeolite NaA. X-ray diffraction and ...
Pelletier M.; Michot L.J.; Barrès O.; Humbert B.; D'Espinose de la Caillerie J.-B.; Robert J.-L.(2003)
To understand the behavior of octahedral hydroxyl-stretching modes (VOH) as a function of increasing tetrahedral layer charge, infrared and Raman spectroscopic studies were carried out on a series of synthetic saponites. ...