| 摘要 |
Compds. of formula Al2(OH)2Cly, where X is 1-4 and Y is 5-2, are made by reaction Al2O3 or Al(OH)3 at 160-270≦̸C under pressure with 30-7% HCl in an amt. equiv. to Al2(OH)3Cl3. In an example, Al2O33H2O 50 and 33% HCl 110kg were placed in an autoclave under 0.5 atm. N, heated to 180≦̸C in 30 min, and held there for 4 hr. more, the final pressure being 8 atm. The product was a soln, of Al2(OH)3Cl3 with a density of 1.40 at 20≦̸C contg. 19.5% Al2O3 and 21% C at pH 0.9
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