1980, Characterization and adsorptive properties of pharmaceutical grade clays

lJeffrey E.Browne,Joseph R.Feldkamp,Joe L.White,Stanley L.Hem

Journal of Pharmaceutical Sciences, Volume 69, Issue 7, July 1980, Pages 816-823

https://www.sciencedirect.com/science/article/abs/pii/S0022354915432939