发明授权
US4826671A Preparation of acicular .alpha.-Fe.sub.2 O.sub.3 失效
针状α-Fe2O3的制备

Preparation of acicular .alpha.-Fe.sub.2 O.sub.3
摘要:
Finely divided, acicular and pore-free .alpha.-Fe.sub.2 O.sub.3 is prepared from iron(III) salts in the presence of one or more organic substances which form complexes with iron(III) ions, in alkaline suspension, at from 80.degree. to 250.degree. C.
信息查询
0/0