Materials Research Bulletin, Vol.44, No.8, 1712-1716, 2009
Preparation of porous lanthanum phosphate with templates
Malonic acid, propionic acid, glycine, n-butylamine, and urea were added to the preparation of lanthanum phosphate from lanthanum nitrate and phosphoric acid solutions. All additives were taken into lanthanum phosphate particles. The additives that have a basic site were easy to contain in precipitates. The addition of templates improved the specific surface area of lanthanum phosphate. The amount of pore, with radius smaller than 4 nm, increased with the addition of templates. The remained additives had influence on the acidic properties of lanthanum phosphate. (C) 2009 Elsevier Ltd. All rights reserved.
Keywords:Inorganic compounds;Microporous materials;Chemical synthesis;Thermogravimetric analysis (TGA)