Ultrasonic enhancement of the acidity, surface area and free fatty acids esterification catalytic activity of sulphated ZrO 2 –TiO 2 systems
2000 ◽
Vol 89
(4)
◽
pp. 1403-1411
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Keyword(s):
2013 ◽
Vol 5
(20)
◽
pp. 9913-9917
◽
Keyword(s):
1968 ◽
Vol 97
(6)
◽
pp. 722-726
◽
Keyword(s):
Keyword(s):