Soil and Crop Science Department, Texas A&M University, College Station, Texas 77843 The instability of palygorskite and sepiolite under soil conditions was investigated to determine if these fibrous ...
Laboratorium voor Oppervlaktechemie, Katholieke Universiteit Leuven, Kardinaal Mercierlaan 92, B-3030 Leuven (Heverlee), Belgium The absorption spectra of methylene blue ion exchanged on hectorite, ...