反应详情

A barium nitrate solution is prepared by dissolving 159.9 g Ba(NO3)2 in 1,1650 ml of H2O. Lanthanum nitrate, in the amount of 264.9 g La(NO3)2.6H2O is dissolved in the barium nitrate solution by mixing vigoruosly to yield a barium-lanthanum solution, to which is added to 3,000 g of high surface area gamma alumina powder. The solution and powder are thoroughly mixed in a sigma blade mixer for 30 minutes.

1. additionby mixing vigoruosly