| 发明名称 |
METHOD OF PREPARING FERRIC OXIDE FOR FERRITES |
| 摘要 |
FIELD: industrial inorganic syntheses. SUBSTANCE: to exhausted etching solution, 1-2 wt % (based on weight of silicon oxide contained in etching solution) of polydimethyldiallylammonium fluoride is added. Resulting solution is filtered to remove precipitate and subjected to oxidative thermal decomposition. EFFECT: improved procedure. |
| 申请公布号 |
RU2113409(C1) |
申请公布日期 |
1998.06.20 |
| 申请号 |
RU19930043691 |
申请日期 |
1993.08.30 |
| 申请人 |
MOSKOVSKIJ INSTITUT STALI I SPLAVOV;NAUCHNO-TEKHNOLOGICHESKIJ TSENTR "EHKOLOGIJA" |
发明人 |
JUSHCHENKO A.S.;GONCHAR A.V.;KURDJUMOV G.M.;SHURUPOV E.V. |
| 分类号 |
C01G49/06 |
主分类号 |
C01G49/06 |
| 代理机构 |
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代理人 |
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| 主权项 |
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