求教化学大神，K12[H2P2W12O48]·24H2O的配制
答案:1 悬赏:30 手机版
解决时间 2021-11-13 13:24
- 提问者网友：斑駁影
- 2021-11-13 00:10
求教化学大神，K12[H2P2W12O48]·24H2O的配制
最佳答案
- 五星知识达人网友：舊物识亽
- 2021-11-13 00:36
2.3.11 Synthesis of K12[H2P2W12O48]·24H2O
83 g of K6[α-P2W18O62]·20H2O were dissolved in 300 mL of water. A solution of 48.4 g
tris(hydroxymethyl)aminomethane in 200 mL water was then added. The mixture was stirred
at room temperature for 30 minutes and then 80 g of KCl were added. After complete
dissolution, a solution of 55.3 g of K2CO3 in 200 mL water was added. The resulting mixture
was vigorously stirred for 15 minutes and the white precipitate that appeared after a few
minutes was filtered on a sintered glass frit, and air dried overnight, washed 2-3 times with 50
mL ethanol, dried under suction. The product was then air-dried for 3 days.12
83 g of K6[α-P2W18O62]·20H2O were dissolved in 300 mL of water. A solution of 48.4 g
tris(hydroxymethyl)aminomethane in 200 mL water was then added. The mixture was stirred
at room temperature for 30 minutes and then 80 g of KCl were added. After complete
dissolution, a solution of 55.3 g of K2CO3 in 200 mL water was added. The resulting mixture
was vigorously stirred for 15 minutes and the white precipitate that appeared after a few
minutes was filtered on a sintered glass frit, and air dried overnight, washed 2-3 times with 50
mL ethanol, dried under suction. The product was then air-dried for 3 days.12
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