发明名称 |
THE PRODUCTION OF A YELLOW IRON OXIDE PIGMENT |
摘要 |
There is disclosed a process for producing yellow iron oxide pigment which comprises the precipitation of the yellow iron oxide pigment by the addition of a soluble metal carbonate in the presence of oxygen to a solution of a soluble ferrous salt wherein the pH of the reaction system is maintained at a value of approximately 4 or less during the precipitation reaction. |
申请公布号 |
DE3068372(D1) |
申请公布日期 |
1984.08.02 |
申请号 |
DE19803068372 |
申请日期 |
1980.11.11 |
申请人 |
BAYER AG |
发明人 |
GAVOGIANNIS, PANAYOTIS |
分类号 |
C09C1/22;C01G49/02;C01G49/06;C09C1/24;(IPC1-7):09C1/24;01G49/06 |
主分类号 |
C09C1/22 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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