Ethylphosphonic acid, 85 percent orthophosphoric acid and aluminum nitrate were dissolved in water and pH was increased to 5 by ammonia water; precipitates were formed which were separated by filtration and dried; 10 percent alumina sol was added and catalyst calcined at 250 C for 3 hours to give a molded, weakly acidic solid catalyst T=200°C; P=3750.38 Torr;
参考文献
Kao Corporation
Patent: EP1211236 A1, 2002 ;
Location in patent: Example 4 ;
Ethylphosphonic acid, 85 percent orthophosphoric acid and aluminum nitrate were dissolved in water and pH was increased to 5 by ammonia water; precipitates were formed which were separated by filtration and dried; 10 percent alumina sol was added and catalyst calcined at 250 C for 3 hours to give a molded, weakly acidic solid catalyst T=200°C; P=7500.75 Torr;
参考文献
Kao Corporation
Patent: EP1211236 A1, 2002 ;
Location in patent: Example 2-3, 1 ;
Schulte et al.
Hoppe-Seyler's Zeitschrift fuer Physiologische Chemie, 1951 , vol. 288, p. 69,71
Full Text Show Details
Schulte; Kirschner
Fette und Seifen, 1951 , vol. 53, p. 267,271
