| 发明名称 |
FERRIHYDRITE, SPRAY AND FIBER USING THE SAME, AND FERRIHYDRITE PRODUCTION METHOD |
| 摘要 |
PROBLEM TO BE SOLVED: To provide ferrihydrite having a very low degree of crystallinity and a high chelating action. SOLUTION: The ferrihydrite is obtained by extracting goethite (α-FeOOH) being an amorphous paramagnetic substance with an acid and neutralizing the extract with sodium hydroxide under anaerobic conditions. COPYRIGHT: (C)2005,JPO&NCIPI
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| 申请公布号 |
JP2004345911(A) |
申请公布日期 |
2004.12.09 |
| 申请号 |
JP20030145349 |
申请日期 |
2003.05.22 |
| 申请人 |
FERRIHYDRITE KENKYUSHO:KK |
发明人 |
SAITO NAOHIDE;HAYASHI NORIO;HARADA YUKIE |
| 分类号 |
A61L9/01;A61L9/14;B01D11/02;C01G49/02;D06M11/49;(IPC1-7):C01G49/02 |
主分类号 |
A61L9/01 |
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