CN106745305A - A kind of α Fe2O3The preparation method of magnetic nano powder material - Google Patents
A kind of α Fe2O3The preparation method of magnetic nano powder material Download PDFInfo
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- CN106745305A CN106745305A CN201611131662.8A CN201611131662A CN106745305A CN 106745305 A CN106745305 A CN 106745305A CN 201611131662 A CN201611131662 A CN 201611131662A CN 106745305 A CN106745305 A CN 106745305A
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- 239000000463 material Substances 0.000 title claims abstract description 47
- 239000011858 nanopowder Substances 0.000 title claims abstract description 42
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000004202 carbamide Substances 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000005119 centrifugation Methods 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 13
- 238000003756 stirring Methods 0.000 claims abstract description 11
- 238000001354 calcination Methods 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 238000010792 warming Methods 0.000 claims abstract description 8
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims abstract description 5
- 229910003145 α-Fe2O3 Inorganic materials 0.000 claims description 25
- 229910000859 α-Fe Inorganic materials 0.000 claims description 17
- 238000001556 precipitation Methods 0.000 claims description 16
- 239000007787 solid Substances 0.000 claims description 7
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000012153 distilled water Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 239000012456 homogeneous solution Substances 0.000 claims description 2
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 claims description 2
- 230000035484 reaction time Effects 0.000 claims description 2
- 238000010025 steaming Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 16
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 10
- 239000000047 product Substances 0.000 abstract description 10
- 239000000843 powder Substances 0.000 abstract description 7
- 229910052742 iron Inorganic materials 0.000 abstract description 6
- 238000005406 washing Methods 0.000 abstract description 6
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000003786 synthesis reaction Methods 0.000 abstract description 2
- 238000000354 decomposition reaction Methods 0.000 abstract 1
- 238000004821 distillation Methods 0.000 abstract 1
- 229910052755 nonmetal Inorganic materials 0.000 abstract 1
- 239000002244 precipitate Substances 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 5
- 230000005415 magnetization Effects 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 3
- 240000007594 Oryza sativa Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000002389 environmental scanning electron microscopy Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 210000002700 urine Anatomy 0.000 description 2
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 230000004523 agglutinating effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 239000001023 inorganic pigment Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002114 nanocomposite Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- -1 papermaking Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000614 phase inversion technique Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000010532 solid phase synthesis reaction Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 235000010215 titanium dioxide Nutrition 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 229910006297 γ-Fe2O3 Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/02—Oxides; Hydroxides
- C01G49/06—Ferric oxide [Fe2O3]
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/42—Magnetic properties
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Hard Magnetic Materials (AREA)
- Compounds Of Iron (AREA)
Abstract
The invention belongs to inorganic nonmetal magnetic Synthesis Teckniques of Nanostructured Powders field, and in particular to a kind of α Fe2O3The preparation method of magnetic nano powder material；The present invention with inorganic molysite and urea as raw material, by Fe3+With urea according to not less than 5:1 mol ratio is dissolved in water, and controls Fe3+The mol/L of concentration 0.5 3.0, stirring is reacted between being warming up to 85 98 DEG C, and reaction terminates rear centrifugation, and is precipitated with distillation water washing, will precipitate drying, grinds, and being placed in temperature programmed control resistance furnace the calcining at 500 700 DEG C can obtain α Fe2O3Magnetic nano powder material.The present invention prepares α Fe using the dispersed source of iron of urea and urea decomposition reaction2O3Magnetic nano powder material, its process is simple, and operation is easy, and low cost is low for equipment requirements, environmental protection, and product structure pattern is uniform, stable performance.
Description
Technical field
The present invention relates to a kind of α-Fe2O3The preparation method of magnetic nano powder material, belongs to inorganic nonmetallic nanometer material
Preparing technical field.
Background technology
Iron is most common and one of the most widely used metal material of production and living, and wherein iron oxide is to be only second to titanium white
Powder measures big and wide inorganic pigment in the world, is widely used in military affairs, building materials, catalyst, ceramics, glass, magnetic
The industrial chemicals in the fields such as material, papermaking, cosmetics.Di-iron trioxide can be divided into α-Fe according to crystal formation difference2O3、β-Fe2O3With
γ-Fe2O3, wherein α-Fe2O3It is brick-red solid powder, is one of the most stable ferriferous oxide under normal temperature, it has anti-corruption
Corrosion is strong, good weatherability, low toxicity, it is inexpensive the features such as, be a kind of typical n types semi-conducting material, be widely used in pigment,
The fields such as ceramics, catalyst, gas sensor, magnetic material preparation and nano composite material preparation.
From 20th century after the mid-80 scientist successfully develops nano metal material, scientist begins to study nanometer
Level α-Fe2O3The proterties and performance of material, fully develop α-Fe2O3The various performances and application value of nano material, it is nano level
α-Fe2O3Powder prepares the highest attention of researcher.
Scientist successfully have developed and many new prepare nanometer alpha-Fe in recent years2O3The methods and techniques of powder, mainly have
Vapor phase method, solid phase method, hydro-thermal method, microwave irradiation, electrochemical synthesis, homogeneous precipitation method, agglutinating nature yeast, conbustion synthesis
Method and liquid-phase catalysis phase inversion etc., these method usual conditions control require of a relatively high, long preparation period, especially with
Microwave and electrochemical process prepare nano-powder, and process parameter control is very strict, and catalytic phaseinversion method needs to find suitable phase
Reforming catalyst etc., these operation requirements cause product cost high, and process is numerous and diverse.And the present invention carries out nano oxygen using urea
Change the technology of preparing of iron, not only increase nano-sized iron oxide and prepare approaches and methods, and good product dispersibility, the pattern for preparing
Size is controllable and good stability, is a kind of novel magnetic ferric oxide nano powder that easy to operate, process is easily-controllable, product is homogeneous
Body material preparation method.
The content of the invention
It is an object of the invention to overcome defect of the prior art, there is provided a kind of new urea disperses source of iron, and decomposes
Generation precipitation reaction, α-Fe are prepared through calcining2O3The controllable method for preparing of magnetic nano powder material.Not only low cost, operates letter
It is single and low for equipment requirements, environmental protection, product particle is uniform, stable performance, realizes α-Fe2O3Magnetic nano powder material
Controllable preparation.
To reach above-mentioned technical purpose, the technical solution adopted by the present invention is as follows：
A kind of α-Fe of the present invention2O3The preparation method of magnetic nano powder material, concrete operations are as follows：
（1）Inorganic metal molysite and urea is soluble in water according to certain mol ratio, stirring to being completely dissolved, using urea and
The dispersed effect of water is obtained homogeneous solution；
（2）Solution is heated, is decomposed using urea and Fe3+Precipitation reaction, after reaction terminates, centrifugation obtains solid, and with steaming
Distilled water is washed 3-5 times, obtains Fe (OH)3Solid；
（3）Solid is placed in drying box and is dried, it is polished to be placed in temperature programmed control stove, calcined in air ambient, it is natural
Room temperature is cooled to, α-Fe are obtained2O3Magnetic nano powder material.
Preferably, step（1）In, inorganic metal molysite is iron chloride or ferric nitrate, and Fe3+Mol ratio with urea is not small
In 5:1, Fe3+Concentration 0.5-3.0 mol/L in water.
Preferably, step（2）In, between 85-98 DEG C, the reaction time is 1-6 h to solution warming temperature.
Preferably, step（3）In, the calcining heat is 500-700 DEG C, calcining heat 1-4 h.
Beneficial effects of the present invention are as follows：
The present invention carries out the dispersion of source of iron and decomposes precipitation source of iron using urea, and α-Fe are prepared with reference to calcination2O3Magnetic Nano
Powder body material, its method is simple and direct, easy controlled operation, and product is homogeneous, stable performance, is also the system of iron oxide magnetic nano powder body material
It is standby to have opened up new method and approach, for urea for the enterprise of byproduct provides new high added value two generations product, and use
This method prepares α-Fe2O3Magnetic nano powder material feedstock is abundant, and low cost, process is simple and easy to control, without special device, if
It is standby less demanding, the pattern and performance of product can be efficiently controlled by controlling decomposable process and calcining machine system, realize α-
Fe2O3Effective controllable preparation of magnetic nano powder material, with practical value very high.
Brief description of the drawings
Fig. 1 is α-Fe prepared by embodiment 12O3The ESEM panorama sketch of magnetic nano powder material；
Fig. 2 is α-Fe prepared by embodiment 12O3The ESEM enlarged drawing of magnetic nano powder material；
Fig. 3 is α-Fe prepared by embodiment 12O3The X diffraction patterns of magnetic nano powder material；
Fig. 4 is α-Fe prepared by embodiment 12O3The hysteresis curve figure of magnetic nano powder material.
Specific embodiment
With reference to specific embodiments and the drawings content, the invention will be further elaborated, so that those skilled in the art
It is better understood from technical scheme.
Embodiment 1：α-Fe2O3The preparation of magnetic nano powder material
Compound concentration is the FeCl of 0.8 mol/L3Solution, accurately pipettes 50 mL and is transferred to 250 mL conical flasks, according to urea with
Fe3+Mol ratio 10:1 precise urea is added in 250 mL conical flasks, stirring and dissolving, and solution is warming up into 85 DEG C, stirring
React 4 h., by precipitation with water washing is distilled 5 times, be placed in precipitation in drying box after centrifugation by centrifugation, after drying
Presoma.Presoma is ground, is put into temperature programming resistance furnace and is calcined 4 h at 600 DEG C, natural cooling obtains α-Fe2O3Magnetic
Nano-powder material.
Fig. 1 is α-Fe manufactured in the present embodiment2O3The scanning electron microscopic picture panorama sketch of magnetic nano powder material, from panorama
Figure can see, and the ferric oxide nano powder material of preparation is in granular form, and diameter is evenly distributed.
Fig. 2 is α-Fe manufactured in the present embodiment2O3The scanning electron microscopic picture enlarged drawing of magnetic nano powder material, from Electronic Speculum
Figure is as can be seen that α-Fe2O3The diameter of magnetic nano powder material is about 240 nm.
Fig. 3 be the present embodiment described under the conditions of prepare α-Fe2O3The X-ray diffraction spectrum and α of magnetic nano powder material-
Fe2O3Standard PDF cards（JCPDS No. 33-0664）Comparison diagram；It can be seen that the X-ray diffraction peak position of product
With α-Fe2O3Standard PDF cards are corresponded to completely, it may be determined that product thing is mutually α-Fe2O3。
Fig. 4 be the present embodiment described under the conditions of prepare α-Fe2O3The hysteresis curve figure of magnetic nano powder material；Its magnetic
Hysteresis curves show, α-Fe2O3Magnetic nano powder material has typical soft magnetic characteristic, and its saturation magnetization is 0.36 emu/
g。
Embodiment 2：α-Fe2O3The preparation of magnetic nano powder material
Compound concentration is the Fe (NO of 3.0 mol/L3)3Solution, accurately pipettes 50 mL and is transferred to 250 mL conical flasks, according to urine
Element and Fe3+Mol ratio 5:1 precise urea is added in 250 mL conical flasks, and solution is warming up to 90 DEG C by stirring and dissolving, is stirred
Mix 1 h of reaction., by precipitation with water washing is distilled 5 times, be placed in precipitation in drying box after centrifugation, after drying by centrifugation
Obtain presoma.Presoma is ground, is put into temperature programming resistance furnace and is calcined 2 h at 500 DEG C, natural cooling obtains α-Fe2O3Magnetic
Property nano-powder material, its saturation magnetization be 0.35 emu/g.
Embodiment 3：α-Fe2O3The preparation of magnetic nano powder material
Compound concentration is the FeCl of 0.5 mol/L3Solution, accurately pipettes 50 mL and is transferred to 250 mL conical flasks, according to urea with
Fe3+Mol ratio 8:1 precise urea is added in 250 mL conical flasks, stirring and dissolving, and solution is warming up into 98 DEG C, and stirring is anti-
Answer 6 h., by precipitation with water washing is distilled 5 times, be placed in precipitation in drying box after centrifugation by centrifugation, before being obtained after drying
Drive body.Presoma is ground, is put into temperature programming resistance furnace and is calcined 3 h at 700 DEG C, natural cooling obtains α-Fe2O3Magnetic is received
Rice powder body material, its saturation magnetization is 0.41 emu/g.
Embodiment 4：α-Fe2O3The preparation of magnetic nano powder material
Compound concentration is the FeCl of 1.6 mol/L3Solution, accurately pipettes 50 mL and is transferred to 250 mL conical flasks, according to urea with
Fe3+Mol ratio 6:1 precise urea is added in 250 mL conical flasks, stirring and dissolving, and solution is warming up into 85 DEG C, and stirring is anti-
Answer 2 h., by precipitation with water washing is distilled 5 times, be placed in precipitation in drying box after centrifugation by centrifugation, before being obtained after drying
Drive body.Presoma is ground, is put into temperature programming resistance furnace and is calcined 4 h at 600 DEG C, natural cooling obtains α-Fe2O3Magnetic is received
Rice powder body material, its saturation magnetization is 0.34 emu/g.
Embodiment 5：α-Fe2O3The preparation of magnetic nano powder material
Compound concentration is the Fe (NO of 1.0 mol/L3)3Solution, accurately pipettes 50 mL and is transferred to 250 mL conical flasks, according to urine
Element and Fe3+Mol ratio 5:1 precise urea is added in 250 mL conical flasks, and solution is warming up to 95 DEG C by stirring and dissolving, is stirred
Mix 3 h of reaction., by precipitation with water washing is distilled 5 times, be placed in precipitation in drying box after centrifugation, after drying by centrifugation
Obtain presoma.Presoma is ground, is put into temperature programming resistance furnace and is calcined 4 h at 700 DEG C, natural cooling obtains α-Fe2O3Magnetic
Property nano-powder material, its saturation magnetization be 0.40 emu/g.
Claims (6)
1. a kind of α-Fe2O3Magnetic nano powder material, it is characterised in that the material is in granular form, and diameter is evenly distributed；Directly
Footpath is about 240 nm.
2. a kind of α-Fe2O3The preparation method of magnetic nano powder material, it is characterised in that carry out in accordance with the following steps：
（1）Inorganic metal molysite and urea is soluble in water according to certain mol ratio, stirring to being completely dissolved, using urea and
The dispersed effect of water is obtained homogeneous solution；
（2）Solution is heated, is decomposed using urea and Fe3+Precipitation reaction, after reaction terminates, centrifugation obtains solid, and with steaming
Distilled water is washed 3-5 times, obtains precipitation solid；
（3）Solid is placed in drying box and is dried, it is polished to be placed in temperature programmed control stove, calcined in air ambient, it is natural
Room temperature is cooled to, α-Fe are obtained2O3Magnetic nano powder material.
3. a kind of α-Fe according to claim 22O3The preparation method of magnetic nano powder material, it is characterised in that step
（1）Described in inorganic metal molysite be iron chloride or ferric nitrate.
4. a kind of α-Fe according to claim 22O3The preparation method of magnetic nano powder material, it is characterised in that step
（1）Described in Fe3+Mol ratio with urea is not less than 5:1, and Fe3+Concentration is 0.5-3.0 mol/L.
5. a kind of α-Fe according to claim 22O3The preparation method of magnetic nano powder material, it is characterised in that step
Suddenly（2）Described in solution warming temperature between 85-98 DEG C, the reaction time be 1-6 h.
6. a kind of α-Fe according to claim 22O3The preparation method of magnetic nano powder material, it is characterised in that step
Suddenly（3）Described in calcining heat be 500-700 DEG C, calcining heat 1-4 h.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108371938A (en) * | 2018-05-09 | 2018-08-07 | 上海大学 | Mesoporous magnetic Nano iron oxide material, preparation method and applications |
| CN108502932A (en) * | 2018-06-06 | 2018-09-07 | 江苏大学 | A kind of FeOOH microns of octahedral preparation method |
| CN108682847A (en) * | 2018-05-07 | 2018-10-19 | 苏州大学 | A kind of more shell hollow microsphere shape α-Fe2O3Material, preparation method and applications |
| CN108855085A (en) * | 2018-07-25 | 2018-11-23 | 黑龙江省科学院自然与生态研究所 | A kind of preparation method of high surface defect iron oxide water process ozone catalyst |
| CN110615482A (en) * | 2019-10-08 | 2019-12-27 | 吉林大学 | Method for preparing epsilon-phase iron oxide by ball milling method |
| WO2020006977A1 (en) * | 2018-07-04 | 2020-01-09 | 中国科学院南京土壤研究所 | Metal-organic framework material fertilizer and preparation method therefor |
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| CN105110381A (en) * | 2015-09-15 | 2015-12-02 | 昆明理工大学 | Method for preparing nanopore alpha-Fe2O3 |
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| CN105110381A (en) * | 2015-09-15 | 2015-12-02 | 昆明理工大学 | Method for preparing nanopore alpha-Fe2O3 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108682847A (en) * | 2018-05-07 | 2018-10-19 | 苏州大学 | A kind of more shell hollow microsphere shape α-Fe2O3Material, preparation method and applications |
| CN108682847B (en) * | 2018-05-07 | 2021-03-16 | 苏州大学 | Multi-shell hollow microspherical alpha-Fe2O3Material, preparation method and application thereof |
| CN108371938A (en) * | 2018-05-09 | 2018-08-07 | 上海大学 | Mesoporous magnetic Nano iron oxide material, preparation method and applications |
| CN108502932A (en) * | 2018-06-06 | 2018-09-07 | 江苏大学 | A kind of FeOOH microns of octahedral preparation method |
| WO2020006977A1 (en) * | 2018-07-04 | 2020-01-09 | 中国科学院南京土壤研究所 | Metal-organic framework material fertilizer and preparation method therefor |
| CN108855085A (en) * | 2018-07-25 | 2018-11-23 | 黑龙江省科学院自然与生态研究所 | A kind of preparation method of high surface defect iron oxide water process ozone catalyst |
| CN108855085B (en) * | 2018-07-25 | 2021-03-16 | 黑龙江省科学院自然与生态研究所 | Preparation method of ozone catalyst for treating iron oxide water with high surface defects |
| CN110615482A (en) * | 2019-10-08 | 2019-12-27 | 吉林大学 | Method for preparing epsilon-phase iron oxide by ball milling method |
| CN110615482B (en) * | 2019-10-08 | 2021-09-24 | 吉林大学 | Method for preparing epsilon-phase iron oxide by ball milling method |
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