JPS58213636A - 針状α−Ｆｅ↓２Ｏ↓３粒子の製造法 - Google Patents
針状α−Ｆｅ↓２Ｏ↓３粒子の製造法Info
- Publication number
- JPS58213636A JPS58213636A JP57094313A JP9431382A JPS58213636A JP S58213636 A JPS58213636 A JP S58213636A JP 57094313 A JP57094313 A JP 57094313A JP 9431382 A JP9431382 A JP 9431382A JP S58213636 A JPS58213636 A JP S58213636A
- Authority
- JP
- Japan
- Prior art keywords
- particles
- acicular
- r2so4
- plane
- needle
- 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
- 239000002245 particle Substances 0.000 title claims abstract description 77
- 238000002360 preparation method Methods 0.000 title description 4
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 239000013078 crystal Substances 0.000 abstract description 23
- 229910000360 iron(III) sulfate Inorganic materials 0.000 abstract description 12
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 abstract description 9
- 239000011259 mixed solution Substances 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 5
- 229910003145 α-Fe2O3 Inorganic materials 0.000 abstract 2
- 229910017343 Fe2 (SO4)3 Inorganic materials 0.000 abstract 1
- 241000276425 Xiphophorus maculatus Species 0.000 abstract 1
- 239000000843 powder Substances 0.000 description 14
- 239000007858 starting material Substances 0.000 description 11
- 238000002003 electron diffraction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 238000002441 X-ray diffraction Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 230000005415 magnetization Effects 0.000 description 3
- 238000000634 powder X-ray diffraction Methods 0.000 description 3
- 238000000635 electron micrograph Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- 206010016275 Fear Diseases 0.000 description 1
- 206010034016 Paronychia Diseases 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 229910001615 alkaline earth metal halide Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- -1 ferric sulfate anhydride Chemical class 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Compounds Of Iron (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57094313A JPS58213636A (ja) | 1982-06-02 | 1982-06-02 | 針状α−Ｆｅ↓２Ｏ↓３粒子の製造法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57094313A JPS58213636A (ja) | 1982-06-02 | 1982-06-02 | 針状α−Ｆｅ↓２Ｏ↓３粒子の製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58213636A true JPS58213636A (ja) | 1983-12-12 |
| JPH0424291B2 JPH0424291B2 (enrdf_load_stackoverflow) | 1992-04-24 |
Family
ID=14106780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57094313A Granted JPS58213636A (ja) | 1982-06-02 | 1982-06-02 | 針状α−Ｆｅ↓２Ｏ↓３粒子の製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58213636A (enrdf_load_stackoverflow) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5051097A (enrdf_load_stackoverflow) * | 1973-09-06 | 1975-05-07 |
-
1982
- 1982-06-02 JP JP57094313A patent/JPS58213636A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5051097A (enrdf_load_stackoverflow) * | 1973-09-06 | 1975-05-07 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0424291B2 (enrdf_load_stackoverflow) | 1992-04-24 |
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