CN102674304A - Preparation method for molybdenum-doped barium iron phosphate - Google Patents

Preparation method for molybdenum-doped barium iron phosphate Download PDF

Info

Publication number
CN102674304A
CN102674304A CN2012101686531A CN201210168653A CN102674304A CN 102674304 A CN102674304 A CN 102674304A CN 2012101686531 A CN2012101686531 A CN 2012101686531A CN 201210168653 A CN201210168653 A CN 201210168653A CN 102674304 A CN102674304 A CN 102674304A
Authority
CN
China
Prior art keywords
barium
molybdenum
source
phosphoric acid
iron
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
Application number
CN2012101686531A
Other languages
Chinese (zh)
Inventor
张健
吴润秀
王晶
Original Assignee
李安平
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 李安平 filed Critical 李安平
Priority to CN2012101686531A priority Critical patent/CN102674304A/en
Publication of CN102674304A publication Critical patent/CN102674304A/en
Pending legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Landscapes

  • Compositions Of Oxide Ceramics (AREA)
  • Compounds Of Iron (AREA)

Abstract

The invention provides a preparation method for molybdenum-doped barium iron phosphate, wherein the chemical formula of the molybdenum-doped barium iron phosphate is Ba(FePO4)2. The preparation method comprises the steps of metering raw materials of molybdenum source, iron source and phosphate radical source according to mol ratio of the chemical formula Ba(FePO4)2; calculating doping element source according to weight of theoretically generable barium iron phosphate, and calculating added doping element according to weight percentage in the 0.1-5 percent range; and mixing, conducting ball grinding at high speed for 15-20h in ethanol medium, drying at 105-120 DEG C to obtain a precursor, placing the dried precursor in a high-temperature furnace, and conducting high-temperature calcination at 300-450 DEG C for 2-4h in nitrogen atmosphere to obtain product. The molybdenum-doped barium iron phosphate is mainly used as reducing agent, deoxidant and food preservative; raw materials of electronic elements and batteries, and additive for smelting, alloy production and glass production and the like; and the preparation method has the characteristics of abundant raw materials, low cost, environment-friendliness and non-pollution, and the like.

Description

The preparation method of molybdenum doping phosphoric acid iron barium
Technical field
Molybdenum doping phosphoric acid iron barium of the present invention belongs to a kind of novel material.
Background technology
At present, still find no the report and the record of ferric phosphate barium compound.Through the retrieval of publication, investigations such as the information of internet and books and periodicals, magazine, market do not have to find the patent documentation identical with technical products of the present invention, do not see report or sale with technology of the present invention or product yet.
Summary of the invention
The objective of the invention is to: the preparation method who proposes a kind of molybdenum doping phosphoric acid iron barium.
The preparation method of molybdenum doping phosphoric acid iron barium of the present invention, it is characterized in that: its chemical formula is: Ba (FePO 4) 2, the raw material of its barium source, source of iron, phosphoric acid root is according to chemical formula Ba (FePO 4) 2Mol ratio metering; The alloying element source can generate the weight of tertiary iron phosphate barium by theory, calculates by 0.1-5% scope weight percent, adds alloying element; After the mixing, in ethanol medium, rotating speed 200-800r/mimn high speed ball milling 15-20h; With 105-120 ℃ of oven dry; Obtain presoma, the presoma that oven dry is obtained places in the High Temperature Furnaces Heating Apparatus, in nitrogen atmosphere; Through 300-450 ℃ of high-temperature calcination 2-4h, promptly get molybdenum doping phosphoric acid iron barium product of the present invention;
Said barium source is one of barium carbonate, hydrated barta, bariumchloride, nitrate of baryta, barium oxide, barium sulphide; Source of iron is Ferrox, ferrous chloride, iron trichloride, red stone etc.; The phosphoric acid root is: phosphoric acid, sodium phosphate salt, one of primary ammonium phosphate or Secondary ammonium phosphate;
Said alloying element source: be one of molybdic oxide MoO3, ammonium molybdate (NH4) 6Mo7O244H2 etc.
For making each mixing of materials more even, said ethanol medium is alkaline, its alkaline ethanol liquid, and available art methods is regulated acquisition, and preferred ammoniacal liquor-alcohol mixeding liquid is good.
The present invention's beneficial effect compared with prior art: molybdenum doping phosphoric acid iron barium product of the present invention, mainly as reductive agent, reductor, food deoxidizing antistaling agent; Be used as the raw materials for production of raw materials for production, manufacturing cell positive material and the battery thereof of materials of electronic components or manufacturing electronic component; Be used to smelt, the additive of alloy, glass production; It is very sufficient to have raw material, at the bottom of the production cost, and characteristics such as environment friendly and pollution-free; As cell positive material, the relative barium electropotential of its charge and discharge platform is about 3.6V, and initial discharge capacity surpasses 187mAh/g, and capacity decays about 0.2% approximately after 100 charge and discharge cycles; Specific storage and cyclical stability compared with prior art are greatly improved, and the production cost price is lower more than tens of times than prior art.
Embodiment
Below in conjunction with embodiment the present invention is described further, but embodiment of the present invention is not limited thereto.
Embodiment 1
Molybdenum doping phosphoric acid iron barium preparation method of the present invention is characterized in that: the raw material of its barium source, source of iron, phosphoric acid root, and according to chemical formula Ba (FePO 4) 2Mol ratio metering; The alloying element source can generate the weight of tertiary iron phosphate barium by theory, presses 0.1-5% scope weight percent and calculates, and adds alloying element; After the mixing, in ethanol medium, rotating speed 200-800r/mimn high speed ball milling 15-20h; With 105-120 ℃ of oven dry, obtain presoma, the presoma that oven dry is obtained places in the High Temperature Furnaces Heating Apparatus; In nitrogen atmosphere,, promptly get molybdenum doping phosphoric acid iron barium product of the present invention through 300-450 ℃ of high-temperature calcination 2-4h;
Said barium source is one of barium carbonate, hydrated barta, bariumchloride, nitrate of baryta, barium oxide, barium sulphide; Source of iron is Ferrox, ferrous chloride, iron trichloride, red stone etc.; The phosphoric acid root is: phosphoric acid, sodium phosphate salt, one of primary ammonium phosphate or Secondary ammonium phosphate;
Said alloying element source: the molybdenum source is one of molybdic oxide MoO3, ammonium molybdate (NH4) 6Mo7O244H2 etc.
For making each mixing of materials more even, said ethanol medium is alkaline, its alkaline ethanol liquid, and available art methods is regulated acquisition, and preferred ammoniacal liquor-alcohol mixeding liquid is good.
Embodiment 2
Select for use: barium carbonate (BaCO3) (99.8%), Ferrox (FeC2O4.2H2O) (99.06%), Secondary ammonium phosphate (NH4H2PO4) (98%) is a raw material; According to chemical formula Ba (FePO 4) 2Mol ratio metering; The alloying element source can generate the weight of tertiary iron phosphate barium by theory, calculates by 1% (weight percent) and adds the alloying element molybdenum, and the molybdenum source is molybdic oxide MoO3 (98%); After the mixing, in anhydrous ethanol medium, rotating speed 200-800r/mimn high speed ball milling 15-20h; With 105-120 ℃ of oven dry; Obtain presoma, the presoma that oven dry is obtained places in the High Temperature Furnaces Heating Apparatus, in nitrogen atmosphere; Through 300-450 ℃ of high-temperature calcination 2-4h, promptly get molybdenum doping phosphoric acid iron barium product of the present invention.
Embodiment 3
Select for use: barium carbonate (BaCO3) (99.8%), Ferrox (FeC2O4.2H2O) (99.06%), Secondary ammonium phosphate (NH4H2PO4) (98%) is a raw material; According to chemical formula Ba (FePO 4) 2Mol ratio metering; The alloying element source can generate the weight of tertiary iron phosphate barium by theory, calculates by 0.5% (weight percent) and adds the alloying element molybdenum, and the molybdenum source is molybdic oxide MoO3 (98%); After the mixing, in anhydrous ethanol medium, rotating speed 200-800r/mimn high speed ball milling 15-20h; With 105-120 ℃ of oven dry; Obtain presoma, the presoma that oven dry is obtained places in the High Temperature Furnaces Heating Apparatus, in nitrogen atmosphere; Through 300-450 ℃ of high-temperature calcination 2-4h, promptly get molybdenum doping phosphoric acid iron barium product of the present invention.
Embodiment 4
Select for use: barium carbonate (BaCO3) (99.8%), Ferrox (FeC2O4.2H2O) (99.06%), Secondary ammonium phosphate (NH4H2PO4) (98%) is a raw material; According to chemical formula Ba (FePO 4) 2Mol ratio metering; The alloying element source can generate the weight of tertiary iron phosphate barium by theory, calculates by 0.1% (weight percent) and adds the alloying element molybdenum, and the molybdenum source is molybdic oxide MoO3 (98%); After the mixing, in anhydrous ethanol medium, rotating speed 200-800r/mimn high speed ball milling 15-20h; With 105-120 ℃ of oven dry; Obtain presoma, the presoma that oven dry is obtained places in the High Temperature Furnaces Heating Apparatus, in nitrogen atmosphere; Through 300-450 ℃ of high-temperature calcination 2-4h, promptly get molybdenum doping phosphoric acid iron barium product of the present invention.
Embodiment 5
Select for use: barium carbonate (BaCO3) (99.8%), Ferrox (FeC2O4.2H2O) (99.06%), Secondary ammonium phosphate (NH4H2PO4) (98%) is a raw material; According to chemical formula Ba (FePO 4) 2Mol ratio metering; The alloying element source can generate the weight of tertiary iron phosphate barium by theory, calculates by 4.5% (weight percent) and adds the alloying element molybdenum, and the molybdenum source is molybdic oxide MoO3 (98%); After the mixing, in anhydrous ethanol medium, rotating speed 200-800r/mimn high speed ball milling 15-20h; With 105-120 ℃ of oven dry; Obtain presoma, the presoma that oven dry is obtained places in the High Temperature Furnaces Heating Apparatus, in nitrogen atmosphere; Through 300-450 ℃ of high-temperature calcination 2-4h, promptly get molybdenum doping phosphoric acid iron barium product of the present invention.
Embodiment 6
Select for use: barium carbonate (BaCO3) (99.8%), Ferrox (FeC2O4.2H2O) (99.06%), Secondary ammonium phosphate (NH4H2PO4) (98%) is a raw material; According to chemical formula Ba (FePO 4) 2Mol ratio metering; The alloying element source can generate the weight of tertiary iron phosphate barium by theory, calculates by 3% (weight percent) and adds the alloying element molybdenum, and the molybdenum source is molybdic oxide MoO3 (98%); After the mixing, in anhydrous ethanol medium, rotating speed 200-800r/mimn high speed ball milling 15-20h; With 105-120 ℃ of oven dry; Obtain presoma, the presoma that oven dry is obtained places in the High Temperature Furnaces Heating Apparatus, in nitrogen atmosphere; Through 300-450 ℃ of high-temperature calcination 2-4h, promptly get molybdenum doping phosphoric acid iron barium product of the present invention.
Embodiment 7
Select for use: barium carbonate (BaCO3) (99.8%), Ferrox (FeC2O4.2H2O) (99.06%), Secondary ammonium phosphate (NH4H2PO4) (98%) is a raw material; According to chemical formula Ba (FePO 4) 2Mol ratio metering; The alloying element source can generate the weight of tertiary iron phosphate barium by theory, calculates by 1.5% (weight percent) and adds the alloying element molybdenum, and the molybdenum source is ammonium molybdate (NH4) 6Mo7O244H2 (98%); After the mixing, in ethanol medium, rotating speed 200-800r/mimn high speed ball milling 15-20h; With 105-120 ℃ of oven dry; Obtain presoma, the presoma that oven dry is obtained places in the High Temperature Furnaces Heating Apparatus, in nitrogen atmosphere; Through 300-450 ℃ of high-temperature calcination 2-4h, promptly get molybdenum doping phosphoric acid iron barium product of the present invention.
Embodiment 8
Select for use: barium carbonate (BaCO3) (99.8%), Ferrox (FeC2O4.2H2O) (99.06%), Secondary ammonium phosphate (NH4H2PO4) (98%) is a raw material; According to chemical formula Ba (FePO 4) 2Mol ratio metering; The alloying element source can generate the weight of tertiary iron phosphate barium by theory, calculates by 0.6% (weight percent) and adds the alloying element molybdenum, and the molybdenum source is ammonium molybdate (NH4) 6Mo7O244H2 (98%); After the mixing, in ethanol medium, rotating speed 200-800r/mimn high speed ball milling 15-20h; With 105-120 ℃ of oven dry; Obtain presoma, the presoma that oven dry is obtained places in the High Temperature Furnaces Heating Apparatus, in nitrogen atmosphere; Through 300-450 ℃ of high-temperature calcination 2-4h, promptly get molybdenum doping phosphoric acid iron barium product of the present invention.
Embodiment 9
Select for use: barium carbonate (BaCO3) (99.8%), Ferrox (FeC2O4.2H2O) (99.06%), Secondary ammonium phosphate (NH4H2PO4) (98%) is a raw material; According to chemical formula Ba (FePO 4) 2Mol ratio metering; The alloying element source can generate the weight of tertiary iron phosphate barium by theory, calculates by 2% (weight percent) and adds the alloying element molybdenum, and the molybdenum source is ammonium molybdate (NH4) 6Mo7O244H2 (98%); After the mixing, in ethanol medium, rotating speed 200-800r/mimn high speed ball milling 15-20h; With 105-120 ℃ of oven dry; Obtain presoma, the presoma that oven dry is obtained places in the High Temperature Furnaces Heating Apparatus, in nitrogen atmosphere; Through 300-450 ℃ of high-temperature calcination 2-4h, promptly get molybdenum doping phosphoric acid iron barium product of the present invention.
Embodiment 10
Select for use: barium carbonate (BaCO3) (99.8%), Ferrox (FeC2O4.2H2O) (99.06%), Secondary ammonium phosphate (NH4H2PO4) (98%) is a raw material; According to chemical formula Ba (FePO 4) 2Mol ratio metering; The alloying element source can generate the weight of tertiary iron phosphate barium by theory, calculates by 1% (weight percent) and adds the alloying element molybdenum, and the molybdenum source is ammonium molybdate (NH4) 6Mo7O244H2 (98%); After the mixing, in ethanol medium, rotating speed 200-800r/mimn high speed ball milling 15-20h; With 105-120 ℃ of oven dry; Obtain presoma, the presoma that oven dry is obtained places in the High Temperature Furnaces Heating Apparatus, in nitrogen atmosphere; Through 300-450 ℃ of high-temperature calcination 2-4h, promptly get molybdenum doping phosphoric acid iron barium product of the present invention.For making each mixing of materials more even, said ethanol medium is alkaline, its alkaline ethanol liquid, and available art methods is regulated acquisition, and preferred ammoniacal liquor-alcohol mixeding liquid is good.
Embodiment 11
Select for use: barium carbonate (BaCO3) (99.8%), Ferrox (FeC2O4.2H2O) (99.06%), Secondary ammonium phosphate (NH4H2PO4) (98%) is a raw material; According to chemical formula Ba (FePO 4) 2Mol ratio metering; The alloying element source can generate the weight of tertiary iron phosphate barium by theory, calculates by 5% (weight percent) and adds the alloying element molybdenum, and the molybdenum source is ammonium molybdate (NH4) 6Mo7O244H2 (98%); After the mixing, in ethanol medium, rotating speed 200-800r/mimn high speed ball milling 15-20h; With 105-120 ℃ of oven dry, obtain presoma, the presoma that oven dry is obtained places in the High Temperature Furnaces Heating Apparatus; In nitrogen atmosphere,, promptly get molybdenum doping phosphoric acid iron barium product of the present invention through 300-450 ℃ of high-temperature calcination 2-4h.For making each mixing of materials more even, said ethanol medium is alkaline, its alkaline ethanol liquid, and available art methods is regulated acquisition, and preferred ammoniacal liquor-alcohol mixeding liquid is good.
Embodiment 12
Select for use: barium carbonate (BaCO3) (99.8%), Ferrox (FeC2O4.2H2O) (99.06%), Secondary ammonium phosphate (NH4H2PO4) (98%) is a raw material; According to chemical formula Ba (FePO 4) 2Mol ratio metering; The alloying element source can generate the weight of tertiary iron phosphate barium by theory, calculates by 0.3% (weight percent) and adds the alloying element molybdenum, and the molybdenum source is ammonium molybdate (NH4) 6Mo7O244H2 (98%); After the mixing, in ethanol medium, rotating speed 200-800r/mimn high speed ball milling 15-20h; With 105-120 ℃ of oven dry; Obtain presoma, the presoma that oven dry is obtained places in the High Temperature Furnaces Heating Apparatus, in nitrogen atmosphere; Through 300-450 ℃ of high-temperature calcination 2-4h, promptly get molybdenum doping phosphoric acid iron barium product of the present invention.For making each mixing of materials more even, said ethanol medium is alkaline, its alkaline ethanol liquid, and available art methods is regulated acquisition, and preferred ammoniacal liquor-alcohol mixeding liquid is good.
Molybdenum doping phosphoric acid iron barium product of the present invention is mainly as reductive agent, reductor, food deoxidizing antistaling agent; The raw materials for production of materials of electronic components or manufacturing electronic component, the raw materials for production of manufacturing cell positive material and battery thereof; Be used to smelt, the additive of alloy, glass production.
It has extremely strong reducing property molybdenum doping phosphoric acid iron barium product of the present invention, and it contacts with air, gets final product oxidation by air, becomes brown or yellow by dark color; Can be widely used in reduction, the deoxidation industry production; Because its nontoxic, water insoluble and organic solvent can generally be used for food deoxidizing antistaling agent (non-food product additive), and deixis is arranged.
As cell positive material, can be used as battery material, mainly as cell positive material; Also can be used as materials of electronic components.As cell positive material; Adopt the testing apparatus of prior art and the testing method of prior art; Molybdenum doping phosphoric acid iron barium product to above embodiment 1-12; Test respectively: the relative barium electropotential of its charge and discharge platform is about 3.6V, and initial discharge capacity surpasses 187mAh/g, and capacity decays about 0.2% approximately after 100 charge and discharge cycles; Specific storage and cyclical stability compared with prior art are greatly improved, and the production cost price is lower more than tens of times than prior art.
Be used to smelt, the additive of alloy, glass production; Be used for smelting, alloy production additive, but the improved products performance; The additive that is used for glass production can obtain required special glass product.

Claims (3)

1. the preparation method of a molybdenum doping phosphoric acid iron barium, it is characterized in that: its chemical formula is: Ba (FePO 4) 2, the raw material of its barium source, source of iron, phosphoric acid root is according to chemical formula Ba (FePO 4) 2Mol ratio metering; The alloying element source can generate the weight of tertiary iron phosphate barium by theory, calculates by 0.1-5% scope weight percent, adds alloying element; After the mixing, in ethanol medium, rotating speed 200-800r/mimn high speed ball milling 15-20h; With 105-120 ℃ of oven dry; Obtain presoma, the presoma that oven dry is obtained places in the High Temperature Furnaces Heating Apparatus, in nitrogen atmosphere; Through 300-450 ℃ of high-temperature calcination 2-4h, promptly get molybdenum doping phosphoric acid iron barium product of the present invention;
Said barium source is one of barium carbonate, hydrated barta, bariumchloride, nitrate of baryta, barium oxide, barium sulphide; Source of iron is Ferrox, ferrous chloride, iron trichloride, red stone etc.; The phosphoric acid root is: phosphoric acid, sodium phosphate salt, one of primary ammonium phosphate or Secondary ammonium phosphate;
Said alloying element source: be one of molybdic oxide, ammonium molybdate.
2. the preparation method of molybdenum doping phosphoric acid iron barium according to claim 1, it is characterized in that: said ethanol medium is alkaline.
3. the preparation method of molybdenum doping phosphoric acid iron barium according to claim 1 is characterized in that: said ethanol medium is ammoniacal liquor-alcohol mixeding liquid.
CN2012101686531A 2012-05-28 2012-05-28 Preparation method for molybdenum-doped barium iron phosphate Pending CN102674304A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012101686531A CN102674304A (en) 2012-05-28 2012-05-28 Preparation method for molybdenum-doped barium iron phosphate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012101686531A CN102674304A (en) 2012-05-28 2012-05-28 Preparation method for molybdenum-doped barium iron phosphate

Publications (1)

Publication Number Publication Date
CN102674304A true CN102674304A (en) 2012-09-19

Family

ID=46806949

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012101686531A Pending CN102674304A (en) 2012-05-28 2012-05-28 Preparation method for molybdenum-doped barium iron phosphate

Country Status (1)

Country Link
CN (1) CN102674304A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1800000A (en) * 2004-12-31 2006-07-12 山西超新金属材料有限公司 Barium metaphosphorate production process
CN102347486A (en) * 2011-10-26 2012-02-08 吴润秀 Method for preparing barium-activated lithium iron phosphate cathode material

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1800000A (en) * 2004-12-31 2006-07-12 山西超新金属材料有限公司 Barium metaphosphorate production process
CN102347486A (en) * 2011-10-26 2012-02-08 吴润秀 Method for preparing barium-activated lithium iron phosphate cathode material

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ALEXEI A. BELIK ET AL.: "Neutron powder diffraction study of the magnetic and crystal structures of SrFe2(PO4)2", 《JOURNAL OF SOLID STATE CHEMISTRY》 *
ALEXEI A. BELIK ET AL.: "SrFe2(PO4)2: Ab Initio Structure Determination with X-ray Powder Diffraction Data and Unusual Magnetic Properties", 《CHEM. MATER.》 *

Similar Documents

Publication Publication Date Title
CN102689887A (en) Method for preparing zinc doped barium iron phosphate
CN102689884A (en) Method for preparing germanium doped barium iron phosphate
CN102674304A (en) Preparation method for molybdenum-doped barium iron phosphate
CN102674296B (en) Preparation method for aluminium-doped barium iron phosphate
CN102674288A (en) Preparation method of boron-doped barium iron phosphate
CN102674290B (en) Preparation method of neodymium-doped barium iron phosphate
CN102674306B (en) Preparation method of lithium doped barium iron phosphate
CN102701175B (en) Preparation method of yttrium-doped barium iron phosphate
CN102701178B (en) Preparation method of sulfur-doped barium iron phosphate
CN102674299A (en) Preparation method of stibium doped barium ferric phosphate
CN102701179B (en) Preparation method of Sc doped barium iron phosphate
CN102689889A (en) Method for preparing vanadium doped barium iron phosphate
CN102674300A (en) Preparation method of carbon doped barium ferric phosphate
CN102674305A (en) Preparation method of lanthanum-doped barium iron phosphate
CN102674294A (en) Method for preparing bismuth-doped ferric barium phosphate
CN102674293A (en) Preparation method for calcium-doped barium iron phosphate
CN102689891A (en) Method for preparing titanium doped barium iron phosphate
CN102674303A (en) Preparation method of beryllium doped iron barium phosphate
CN102674298A (en) Preparation method of cadmium doped barium ferric phosphate
CN102689888A (en) Method for preparing niobium-doped barium ferric phosphate
CN102689885A (en) Preparation method for silver doped ferric phosphate barium
CN102689890A (en) Method for preparing copper doped barium iron phosphate
CN102730660A (en) Preparation method of europium doped barium iron phosphate
CN102674297A (en) Preparation method of selenium-doped barium iron phosphate
CN102674289A (en) Preparation method of nickel-doped barium iron phosphate

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C12 Rejection of a patent application after its publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20120919