CN107958763A - A kind of magnetic material - Google Patents
A kind of magnetic material Download PDFInfo
- Publication number
- CN107958763A CN107958763A CN201711316377.8A CN201711316377A CN107958763A CN 107958763 A CN107958763 A CN 107958763A CN 201711316377 A CN201711316377 A CN 201711316377A CN 107958763 A CN107958763 A CN 107958763A
- Authority
- CN
- China
- Prior art keywords
- parts
- raw material
- oxide
- powder
- magnetic material
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G9/00—Compounds of zinc
- C01G9/02—Oxides; Hydroxides
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/33—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials mixtures of metallic and non-metallic particles; metallic particles having oxide skin
-
- 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
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- General Physics & Mathematics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Crystallography & Structural Chemistry (AREA)
- Power Engineering (AREA)
- Composite Materials (AREA)
- Dispersion Chemistry (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Soft Magnetic Materials (AREA)
- Hard Magnetic Materials (AREA)
Abstract
The invention discloses a kind of magnetic material, is formulated by following component weight ratio：50 60 parts of raw material iron powder, 20 25 parts of raw material neodymium powder, 12 parts of raw material boron powder, 25 parts of iron oxide, 12 parts of barium carbonate, 17 parts of strontium carbonate, 12 parts of sodium chlorate, lanthana 0.8 1.5,56 parts of manganese oxide, 23 parts of molybdenum oxide, 12 parts of nickel oxide, 0.5 1 parts of cobalt, 0.5 0.7 parts of copper, 0.5 0.8 parts of magnesium, 4.5 5.5 parts of Zinc oxide nano sheet；The magnetic material has a high magnetic permeability, high temperature stability, corrosion-resistant.
Description
Technical field
The present invention relates to a kind of material, particularly a kind of magnetic material.
Background technology
Since electromagnetic technique occurs, the scope of a large amount of permanent-magnet materials instead of well with its easy-to-use, controlling.But with
The development of technology and a large amount of uses of electromagnetism, problem caused by electromagnetism is also following, is mainly asked caused by electromagnetism class
Topic has：First, Electromagnetic Interference, because electromagnetism is while magnetic effect needed for generation in use, also produce certain electromagnetic wave,
These electromagnetic waves be at any time with it is unordered, interference can be produced to electromagnetic waves such as existing communications, when serious important communication can be made to paralyse,
Cause economic loss.Second, Contamination of Electromagnetic Wave, research is it has been shown that unordered electromagnetic wave can interfere with the normal of life entity now
Physiological function, how to control electromagnetic pollution has been important topic in technical field.Third, energy consumption, the energy of electromagnetism derive from
Electricity, therefore the energy consumption of electromagnetism is also very big.Existing magnetic material magnetic conductivity, temperature stability, corrosion resistance all up for improve,
Energy consumption is big in process of production.
The content of the invention
The object of the present invention is to provide a kind of magnetic material, which has a high magnetic permeability, high temperature stability,
Corrosion-resistant, energy consumption is small to wait good characteristic.
To achieve the above object, the technical scheme is that：A kind of magnetic material, prepared by following component weight ratio and
Into：50-60 parts of raw material iron powder, 20-25 parts of raw material neodymium powder, 1-2 parts of raw material boron powder, 2-5 parts of iron oxide, 1-2 parts of barium carbonate, carbonic acid
1-7 parts of strontium, 1-2 parts of sodium chlorate, lanthana 0.8-1.5,5-6 parts of manganese oxide, 2-3 parts of molybdenum oxide, 1-2 parts of nickel oxide, cobalt 0.5-1
Part, 0.5-0.7 parts of copper, 0.5-0.8 parts of magnesium, 4.5-5.5 parts of Zinc oxide nano sheet；
The preparation method of the Zinc oxide nano sheet comprises the following steps：
Step 1：Weigh 10 milliliters of solution of zinc sulfate to be placed in 100 milliliters of beakers, be added dropwise under magnetic stirrer
Sal volatile, untill solution pH value reaches 7.8-8.2, adds 10 ml deionized water ultrasonic disperse 15-18 minutes；
Step 2：By the mixed liquor after ultrasonic disperse persistently stir 1-2 it is small when, be then transferred in hydrothermal reaction kettle, 180
When reaction 20-22 is small in DEG C baking oven, takes out reaction kettle and be placed in cooled to room temperature in fume hood, remove product；
Step 3：Product is washed 3-6 times respectively with ethanol and deionized water, and filters to filtrate and becomes colorless, then will
Product be placed in 60 DEG C of baking ovens dry 10 it is small when, when placing into that calcining 2 is small in Muffle furnace, up to the zinc oxide sodium rice piece.
Further, the magnetic material is formulated by the following group component weight ratio：52-58 parts of raw material iron powder, raw material neodymium powder
22-24 parts, 1.2-1.6 parts of raw material boron powder, 3-4 parts of iron oxide, 1.2-1.8 parts of barium carbonate, 2-5 parts of strontium carbonate, sodium chlorate 1.2-
1.8 parts, lanthana 1-1.4,5.2-5.8 parts of manganese oxide, 2.2-2.6 parts of molybdenum oxide, 1.2-1.4 parts of nickel oxide, cobalt 0.6-0.8
Part, 0.52-0.66 parts of copper, 0.54-0.77 parts of magnesium, 4.8-5.2 parts of Zinc oxide nano sheet.
Further, the magnetic material is formulated by the following group component weight ratio：55 parts of raw material iron powder, raw material neodymium powder 22
Part, 1.5 parts of raw material boron powder, 3 parts of iron oxide, 1.5 parts of barium carbonate, 3 parts of strontium carbonate, 1.5 parts of sodium chlorate, lanthana 1.2, manganese oxide
5.5 parts, 2.4 parts of molybdenum oxide, 1.3 parts of nickel oxide, 0.7 part of cobalt, 0.58 part of copper, 0.6 part of magnesium, 5 parts of Zinc oxide nano sheet.
The beneficial effects of the invention are as follows：The magnetic material has a high magnetic permeability, high temperature stability, corrosion-resistant；Sharp oxygen
The change that change its Electronic Structure of zinc nanometer sheet and crystal structure produce, the skin effect not having with macro object,
The features such as bulk effect, quantum size effect and macroscopical tunnel-effect and the high grade of transparency, polymolecularity, react bar by controlling
The Zinc oxide nano sheet that part and synthetic method obtain has excellent comprehensive magnetic energy.
Embodiment
The present invention is described in further detail below.
A kind of magnetic material, is formulated by following component weight ratio：50-60 parts of raw material iron powder, raw material neodymium powder 20-25
Part, 1-2 parts of raw material boron powder, 2-5 parts of iron oxide, 1-2 parts of barium carbonate, 1-7 parts of strontium carbonate, 1-2 parts of sodium chlorate, lanthana 0.8-
1.5th, manganese oxide 5-6 parts, 2-3 parts of molybdenum oxide, 1-2 parts of nickel oxide, 0.5-1 parts of cobalt, 0.5-0.7 parts of copper, 0.5-0.8 parts of magnesium, oxygen
Change 4.5-5.5 parts of zinc nanometer sheet；
The preparation method of the Zinc oxide nano sheet comprises the following steps：
Step 1：Weigh 10 milliliters of solution of zinc sulfate to be placed in 100 milliliters of beakers, be added dropwise under magnetic stirrer
Sal volatile, untill solution pH value reaches 7.8-8.2, adds 10 ml deionized water ultrasonic disperse 15-18 minutes；
Step 2：By the mixed liquor after ultrasonic disperse persistently stir 1-2 it is small when, be then transferred in hydrothermal reaction kettle, 180
When reaction 20-22 is small in DEG C baking oven, takes out reaction kettle and be placed in cooled to room temperature in fume hood, remove product；
Step 3：Product is washed 3-6 times respectively with ethanol and deionized water, and filters to filtrate and becomes colorless, then will
Product be placed in 60 DEG C of baking ovens dry 10 it is small when, when placing into that calcining 2 is small in Muffle furnace, up to the zinc oxide sodium rice piece.
Calcining heat is 350 DEG C in Muffle furnace, and obtained Zinc oxide nano sheet grain size is in 11-15 nanometer ranges.
Further, the magnetic material is formulated by the following group component weight ratio：52-58 parts of raw material iron powder, raw material neodymium powder
22-24 parts, 1.2-1.6 parts of raw material boron powder, 3-4 parts of iron oxide, 1.2-1.8 parts of barium carbonate, 2-5 parts of strontium carbonate, sodium chlorate 1.2-
1.8 parts, lanthana 1-1.4,5.2-5.8 parts of manganese oxide, 2.2-2.6 parts of molybdenum oxide, 1.2-1.4 parts of nickel oxide, cobalt 0.6-0.8
Part, 0.52-0.66 parts of copper, 0.54-0.77 parts of magnesium, 4.8-5.2 parts of Zinc oxide nano sheet.
Further, the magnetic material is formulated by the following group component weight ratio：55 parts of raw material iron powder, raw material neodymium powder 22
Part, 1.5 parts of raw material boron powder, 3 parts of iron oxide, 1.5 parts of barium carbonate, 3 parts of strontium carbonate, 1.5 parts of sodium chlorate, lanthana 1.2, manganese oxide
5.5 parts, 2.4 parts of molybdenum oxide, 1.3 parts of nickel oxide, 0.7 part of cobalt, 0.58 part of copper, 0.6 part of magnesium, 5 parts of Zinc oxide nano sheet.
Embodiment one：
A kind of magnetic material, is formulated by following component weight ratio：50 parts of raw material iron powder, 20 parts of raw material neodymium powder, raw material
1 part of boron powder, 2 parts of iron oxide, 1 part of barium carbonate, 1 part of strontium carbonate, 1 part of sodium chlorate, lanthana 0.8,5 parts of manganese oxide, molybdenum oxide 2
Part, 1 part of nickel oxide, 0.5 part of cobalt, 0.5 part of copper, 0.5 part of magnesium, 4.5 parts of Zinc oxide nano sheet；
The preparation method of the Zinc oxide nano sheet comprises the following steps：
Step 1：Weigh 10 milliliters of solution of zinc sulfate to be placed in 100 milliliters of beakers, be added dropwise under magnetic stirrer
Sal volatile, untill solution pH value reaches 7.8, adds 10 ml deionized water ultrasonic disperse 15 minutes；
Step 2：By the mixed liquor after ultrasonic disperse persistently stir 1-2 it is small when, be then transferred in hydrothermal reaction kettle, 180
When reaction 20 is small in DEG C baking oven, takes out reaction kettle and be placed in cooled to room temperature in fume hood, remove product；
Step 3：Product is washed 3 times respectively with ethanol and deionized water, and filters to filtrate and becomes colorless, then will production
Thing be placed in 60 DEG C of baking ovens dry 10 it is small when, when placing into that calcining 2 is small in Muffle furnace, up to the zinc oxide sodium rice piece.
Embodiment two：
A kind of magnetic material, is formulated by following component weight ratio：60 parts of raw material iron powder, 25 parts of raw material neodymium powder, raw material
2 parts of boron powder, 5 parts of iron oxide, 2 parts of barium carbonate, 7 parts of strontium carbonate, 2 parts of sodium chlorate, lanthana 1.5,6 parts of manganese oxide, molybdenum oxide 3
Part, 2 parts of nickel oxide, 1 part of cobalt, 0.7 part of copper, 0.8 part of magnesium, 5.5 parts of Zinc oxide nano sheet；
The preparation method of the Zinc oxide nano sheet comprises the following steps：
Step 1：Weigh 10 milliliters of solution of zinc sulfate to be placed in 100 milliliters of beakers, be added dropwise under magnetic stirrer
Sal volatile, untill solution pH value reaches 8.2, adds 10 ml deionized water ultrasonic disperse 18 minutes；
Step 2：By the mixed liquor after ultrasonic disperse persistently stir 2 it is small when, be then transferred in hydrothermal reaction kettle, 180 DEG C
When reaction 22 is small in baking oven, takes out reaction kettle and be placed in cooled to room temperature in fume hood, remove product；
Step 3：Product is washed 6 times respectively with ethanol and deionized water, and filters to filtrate and becomes colorless, then will production
Thing be placed in 60 DEG C of baking ovens dry 10 it is small when, when placing into that calcining 2 is small in Muffle furnace, up to the zinc oxide sodium rice piece.
Embodiment three：
A kind of magnetic material, is formulated by following component weight ratio：55 parts of raw material iron powder, 22 parts of raw material neodymium powder, raw material
1.5 parts of boron powder, 3 parts of iron oxide, 1.5 parts of barium carbonate, 3 parts of strontium carbonate, 1.5 parts of sodium chlorate, lanthana 1.2,5.5 parts of manganese oxide,
2.4 parts of molybdenum oxide, 1.3 parts of nickel oxide, 0.7 part of cobalt, 0.58 part of copper, 0.6 part of magnesium, 5 parts of Zinc oxide nano sheet.
The preparation method of the Zinc oxide nano sheet comprises the following steps：
Step 1：Weigh 10 milliliters of solution of zinc sulfate to be placed in 100 milliliters of beakers, be added dropwise under magnetic stirrer
Sal volatile, untill solution pH value reaches 7.8-8.2, adds 10 ml deionized water ultrasonic disperse 15-18 minutes；
Step 2：By the mixed liquor after ultrasonic disperse persistently stir 1-2 it is small when, be then transferred in hydrothermal reaction kettle, 180
When reaction 20-22 is small in DEG C baking oven, takes out reaction kettle and be placed in cooled to room temperature in fume hood, remove product；
Step 3：Product is washed 3-6 times respectively with ethanol and deionized water, and filters to filtrate and becomes colorless, then will
Product be placed in 60 DEG C of baking ovens dry 10 it is small when, when placing into that calcining 2 is small in Muffle furnace, up to the zinc oxide sodium rice piece.
Claims (3)
1. a kind of magnetic material, it is characterised in that be formulated by following component weight ratio：50-60 parts of raw material iron powder, raw material neodymium
20-25 parts of powder, 1-2 parts of raw material boron powder, 2-5 parts of iron oxide, 1-2 parts of barium carbonate, 1-7 parts of strontium carbonate, 1-2 parts of sodium chlorate, oxidation
Lanthanum 0.8-1.5,5-6 parts of manganese oxide, 2-3 parts of molybdenum oxide, 1-2 parts of nickel oxide, 0.5-1 parts of cobalt, 0.5-0.7 parts of copper, magnesium 0.5-0.8
Part, 4.5-5.5 parts of Zinc oxide nano sheet；
The preparation method of the Zinc oxide nano sheet comprises the following steps：
Step 1：Weigh 10 milliliters of solution of zinc sulfate to be placed in 100 milliliters of beakers, carbonic acid is added dropwise under magnetic stirrer
Ammonium salt solution, untill solution pH value reaches 7.8-8.2, adds 10 ml deionized water ultrasonic disperse 15-18 minutes；
Step 2：By the mixed liquor after ultrasonic disperse persistently stir 1-2 it is small when, be then transferred in hydrothermal reaction kettle, 180 DEG C baking
When reaction 20-22 is small in case, takes out reaction kettle and be placed in cooled to room temperature in fume hood, remove product；
Step 3：Product is washed 3-6 times respectively with ethanol and deionized water, and filters to filtrate and becomes colorless, then by product
Be placed in 60 DEG C of baking ovens dry 10 it is small when, when placing into that calcining 2 is small in Muffle furnace, up to the zinc oxide sodium rice piece.
2. a kind of magnetic material according to claim 1, it is characterised in that the magnetic material presses the following group component weight ratio
It is formulated：52-58 parts of raw material iron powder, 22-24 parts of raw material neodymium powder, 1.2-1.6 parts of raw material boron powder, 3-4 parts of iron oxide, barium carbonate
1.2-1.8 parts, 2-5 parts of strontium carbonate, 1.2-1.8 parts of sodium chlorate, lanthana 1-1.4,5.2-5.8 parts of manganese oxide, molybdenum oxide 2.2-
2.6 parts, 1.2-1.4 parts of nickel oxide, 0.6-0.8 parts of cobalt, 0.52-0.66 parts of copper, 0.54-0.77 parts of magnesium, Zinc oxide nano sheet
4.8-5.2 part.
3. a kind of magnetic material according to claim 1, it is characterised in that the magnetic material presses the following group component weight ratio
It is formulated：55 parts of raw material iron powder, 22 parts of raw material neodymium powder, 1.5 parts of raw material boron powder, 3 parts of iron oxide, 1.5 parts of barium carbonate, strontium carbonate
3 parts, 1.5 parts of sodium chlorate, lanthana 1.2,5.5 parts of manganese oxide, 2.4 parts of molybdenum oxide, 1.3 parts of nickel oxide, 0.7 part of cobalt, copper 0.58
Part, 0.6 part of magnesium, 5 parts of Zinc oxide nano sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711316377.8A CN107958763A (en) | 2017-12-12 | 2017-12-12 | A kind of magnetic material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711316377.8A CN107958763A (en) | 2017-12-12 | 2017-12-12 | A kind of magnetic material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107958763A true CN107958763A (en) | 2018-04-24 |
Family
ID=61958756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711316377.8A Pending CN107958763A (en) | 2017-12-12 | 2017-12-12 | A kind of magnetic material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107958763A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109087765A (en) * | 2018-08-21 | 2018-12-25 | 徐州明润磁材有限公司 | A kind of low-loss magnetic material |
| CN109637769A (en) * | 2019-01-26 | 2019-04-16 | 郑州工业应用技术学院 | A kind of magnetism performance and the magnetic material of corrosion resistance and good and preparation method thereof |
| CN109704634A (en) * | 2019-03-14 | 2019-05-03 | 江苏晨朗电子集团有限公司 | A kind of novel magnetic materials |
| CN110744896A (en) * | 2019-05-20 | 2020-02-04 | 阎永正 | Magnetic movable composite painting and calligraphy exhibition felt cloth and manufacturing method thereof |
| WO2020118469A1 (en) * | 2018-12-09 | 2020-06-18 | 张维维 | New magnetic material |
| WO2020118466A1 (en) * | 2018-12-09 | 2020-06-18 | 张维维 | Magnetic material |
-
2017
- 2017-12-12 CN CN201711316377.8A patent/CN107958763A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109087765A (en) * | 2018-08-21 | 2018-12-25 | 徐州明润磁材有限公司 | A kind of low-loss magnetic material |
| WO2020118469A1 (en) * | 2018-12-09 | 2020-06-18 | 张维维 | New magnetic material |
| WO2020118466A1 (en) * | 2018-12-09 | 2020-06-18 | 张维维 | Magnetic material |
| CN109637769A (en) * | 2019-01-26 | 2019-04-16 | 郑州工业应用技术学院 | A kind of magnetism performance and the magnetic material of corrosion resistance and good and preparation method thereof |
| CN109704634A (en) * | 2019-03-14 | 2019-05-03 | 江苏晨朗电子集团有限公司 | A kind of novel magnetic materials |
| CN110744896A (en) * | 2019-05-20 | 2020-02-04 | 阎永正 | Magnetic movable composite painting and calligraphy exhibition felt cloth and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107958763A (en) | A kind of magnetic material | |
| CN104437536B (en) | A kind of preparation method of manganese-zinc ferrite/bismuth oxide magnetic photocatalyst | |
| CN110482512A (en) | A kind of preparation method of battery-grade iron phosphate | |
| CN101200306B (en) | Method for preparing titanium dioxide primary product | |
| CN101913573B (en) | Method for producing sulfuric acid and iron oxide red | |
| CN101979683A (en) | Process for extracting vanadium and chromium from chromic slag by using waste acid of titanium powder plant | |
| CN106116004A (en) | A kind of steel hydrochloric acid pickling effluent resource reclaims and the processing method of zero-emission | |
| CN104726705B (en) | A kind of chromite leaches the method for carrying chromium | |
| CN105948085A (en) | Preparation method of magnetic hydrotalcite | |
| CN107500342A (en) | A kind of method that zinc sulphide is prepared using coking of coal desulfurization waste liquor | |
| CN105366724B (en) | A kind of method of sodium cyclic production chrome oxide green | |
| CN106169580A (en) | A kind of preparation method of battery-grade iron phosphate/graphene composite material | |
| CN107611433A (en) | A kind of method for preparing battery-grade iron phosphate using heavy metal sewage sludge and heavy metal spent acid | |
| CN106006597B (en) | One kind containing Fe by ferrophosphorus low temperature preparationxPO4The method of substance | |
| CN106799207A (en) | A kind of adsorbent for heavy metal and its preparation technology | |
| CN108726575A (en) | The method for preparing nanometer di-iron trioxide iron oxide red as raw material using rutile mether liquor | |
| CN105110784A (en) | Method for preparing manganese zinc ferrite by using artificial rutile mother liquor | |
| CN101774648A (en) | Method for preparing high-purity iron oxide and trisodium phosphate by ferro-phosphorus alkalization process | |
| CN106540719A (en) | Bismuth system oxide load multivalent transition metal complex hydroxide visible-light photocatalysis material and preparation method thereof | |
| CN104341001A (en) | Method for producing food-grade zinc sulfate with industrial-grade zinc sulfate as raw material | |
| WO2023221213A1 (en) | Method for preparing battery-grade iron phosphaste by using iron oxide and dilute phosphoric acid | |
| CN102040245A (en) | Method for preparing chromate by alkaline roasting carbon ferrochrome | |
| CN104030369B (en) | A kind of method utilizing nickel-containing waste water intercalation to produce NiAl-HTLcs | |
| CN104232944A (en) | Process for comprehensively recycling indium from ammonia leaching residues and co-producing zinc oxide | |
| CN107601554A (en) | The method of microwave assisted aqueous extraction hot preparation nanometer tetragonal-phase barium titanate powder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180424 |
|
| WD01 | Invention patent application deemed withdrawn after publication |