JPS5484896A - Method of preparing alpha-iron oxyhydroxide - Google Patents
Method of preparing alpha-iron oxyhydroxideInfo
- Publication number
- JPS5484896A JPS5484896A JP15265477A JP15265477A JPS5484896A JP S5484896 A JPS5484896 A JP S5484896A JP 15265477 A JP15265477 A JP 15265477A JP 15265477 A JP15265477 A JP 15265477A JP S5484896 A JPS5484896 A JP S5484896A
- Authority
- JP
- Japan
- Prior art keywords
- addition
- carbonate
- ferric
- mainly composed
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
PURPOSE: To prepare α-hydroxy iron hydroxide shaped like a sindle with a uniform grain distribution with addition of a solution of ferric salt to an alkaline solution mainly composed of carbonate.
CONSTITUTION: One, two or more kinds of ferric salt including ferric sulfate, ferric chlorate and derric nitrate are added slowly to an alkaline solution mainly composed of carbonate including sodium carbonate, potassium carbonate and ammonium carbonate, which may be combined with a small amount of NaOH, KOH or the like as required, with agitation. With the addition of such substances. CO2 is generated raising the temperature of the liquid. To check the rise in the temperature porperly, the velocity of the addition is adjusted. The reaction is normally complted with the end of the addition. In the case of combining caustic soda, the mixture requires aging below 80°C for a given time after the addition.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52152654A JPS6020328B2 (en) | 1977-12-19 | 1977-12-19 | Production method of α-iron oxyhydroxide |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52152654A JPS6020328B2 (en) | 1977-12-19 | 1977-12-19 | Production method of α-iron oxyhydroxide |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5484896A true JPS5484896A (en) | 1979-07-06 |
JPS6020328B2 JPS6020328B2 (en) | 1985-05-21 |
Family
ID=15545145
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52152654A Expired JPS6020328B2 (en) | 1977-12-19 | 1977-12-19 | Production method of α-iron oxyhydroxide |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6020328B2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0331453Y2 (en) * | 1986-08-25 | 1991-07-04 | ||
JPS6360522U (en) * | 1986-10-09 | 1988-04-22 |
-
1977
- 1977-12-19 JP JP52152654A patent/JPS6020328B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS6020328B2 (en) | 1985-05-21 |
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