KR950003421B1 - 암모늄 희토류 이중 옥살레이트의 제조방법 및 그것의 희토류 산화물의 제조에 관한 용도 - Google Patents

암모늄 희토류 이중 옥살레이트의 제조방법 및 그것의 희토류 산화물의 제조에 관한 용도 Download PDF

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Publication number
KR950003421B1
KR950003421B1 KR1019910020160A KR910020160A KR950003421B1 KR 950003421 B1 KR950003421 B1 KR 950003421B1 KR 1019910020160 A KR1019910020160 A KR 1019910020160A KR 910020160 A KR910020160 A KR 910020160A KR 950003421 B1 KR950003421 B1 KR 950003421B1
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South Korea
Prior art keywords
rare earth
nitrate
solution
process according
ammonium
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English (en)
Korean (ko)
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KR920009703A (ko
Inventor
끌레르 다비드
Original Assignee
롱-쁠랑 쉬미
크리스토프 앙드랄
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/41—Preparation of salts of carboxylic acids
    • C07C51/412—Preparation of salts of carboxylic acids by conversion of the acids, their salts, esters or anhydrides with the same carboxylic acid part
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00—Compounds of rare earth metals
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/28—Methods of preparing ammonium salts in general
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/41—Preparation of salts of carboxylic acids

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Inorganic Chemistry (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Television Signal Processing For Recording (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
KR1019910020160A 1990-11-13 1991-11-13 암모늄 희토류 이중 옥살레이트의 제조방법 및 그것의 희토류 산화물의 제조에 관한 용도 Expired - Fee Related KR950003421B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9014031 1990-11-13
FR9014031A FR2669028B1 (fr) 1990-11-13 1990-11-13 Procede de fabrication d'oxalates doubles de terres rares et d'ammonium et leurs utilisations pour la fabrication d'oxydes de terres rares.

Publications (2)

Publication Number Publication Date
KR920009703A KR920009703A (ko) 1992-06-25
KR950003421B1 true KR950003421B1 (ko) 1995-04-12

Family

ID=9402098

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910020160A Expired - Fee Related KR950003421B1 (ko) 1990-11-13 1991-11-13 암모늄 희토류 이중 옥살레이트의 제조방법 및 그것의 희토류 산화물의 제조에 관한 용도

Country Status (16)

Country Link
US (1) US5662874A (https=)
EP (1) EP0486351B1 (https=)
JP (1) JPH0665609B2 (https=)
KR (1) KR950003421B1 (https=)
CN (1) CN1027890C (https=)
AT (1) ATE155124T1 (https=)
BR (1) BR9104905A (https=)
CA (1) CA2055294A1 (https=)
DE (1) DE69126763T2 (https=)
FI (1) FI915339A7 (https=)
FR (1) FR2669028B1 (https=)
IE (1) IE913935A1 (https=)
NO (1) NO914400L (https=)
SG (1) SG41950A1 (https=)
TW (1) TW221984B (https=)
ZA (1) ZA918373B (https=)

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CN1043216C (zh) * 1996-04-11 1999-05-05 上海跃龙有色金属有限公司 大比表面积稀土氧化物及其制备方法
AU4114397A (en) * 1996-07-15 1998-02-09 Kemgas Limited Production of powders
US5962343A (en) 1996-07-30 1999-10-05 Nissan Chemical Industries, Ltd. Process for producing crystalline ceric oxide particles and abrasive
GB9707880D0 (en) * 1997-04-18 1997-06-04 Nycomed Imaging As Contrast agent preparation
GB0307428D0 (en) 2003-03-31 2003-05-07 Medical Res Council Compartmentalised combinatorial chemistry
US20060078893A1 (en) 2004-10-12 2006-04-13 Medical Research Council Compartmentalised combinatorial chemistry by microfluidic control
GB0307403D0 (en) 2003-03-31 2003-05-07 Medical Res Council Selection by compartmentalised screening
CN1318304C (zh) * 2003-12-15 2007-05-30 内蒙古科技大学 制备大颗粒氧化铈的方法
US20050221339A1 (en) 2004-03-31 2005-10-06 Medical Research Council Harvard University Compartmentalised screening by microfluidic control
US7968287B2 (en) 2004-10-08 2011-06-28 Medical Research Council Harvard University In vitro evolution in microfluidic systems
KR100641348B1 (ko) 2005-06-03 2006-11-03 주식회사 케이씨텍 Ｃｍｐ용 슬러리와 이의 제조 방법 및 기판의 연마 방법
JP2009536313A (ja) 2006-01-11 2009-10-08 レインダンス テクノロジーズ， インコーポレイテッド ナノリアクターの形成および制御において使用するマイクロ流体デバイスおよび方法
US9562837B2 (en) 2006-05-11 2017-02-07 Raindance Technologies, Inc. Systems for handling microfludic droplets
ATE540750T1 (de) 2006-05-11 2012-01-15 Raindance Technologies Inc Mikrofluidische vorrichtung und verfahren
EP3536396B1 (en) 2006-08-07 2022-03-30 The President and Fellows of Harvard College Fluorocarbon emulsion stabilizing surfactants
US8772046B2 (en) 2007-02-06 2014-07-08 Brandeis University Manipulation of fluids and reactions in microfluidic systems
US8592221B2 (en) 2007-04-19 2013-11-26 Brandeis University Manipulation of fluids, fluid components and reactions in microfluidic systems
CN101381092B (zh) * 2007-09-06 2012-06-13 北京有色金属研究总院 一种大粒度、大比表面积球形氧化钇的制备方法
EP2315629B1 (en) 2008-07-18 2021-12-15 Bio-Rad Laboratories, Inc. Droplet libraries
US12038438B2 (en) 2008-07-18 2024-07-16 Bio-Rad Laboratories, Inc. Enzyme quantification
EP3415235B1 (en) 2009-03-23 2025-11-12 Bio-Rad Laboratories, Inc. Manipulation of microfluidic droplets
WO2011042564A1 (en) 2009-10-09 2011-04-14 Universite De Strasbourg Labelled silica-based nanomaterial with enhanced properties and uses thereof
EP2517025B1 (en) 2009-12-23 2019-11-27 Bio-Rad Laboratories, Inc. Methods for reducing the exchange of molecules between droplets
CA2789425C (en) 2010-02-12 2020-04-28 Raindance Technologies, Inc. Digital analyte analysis with polymerase error correction
US9399797B2 (en) 2010-02-12 2016-07-26 Raindance Technologies, Inc. Digital analyte analysis
US10351905B2 (en) 2010-02-12 2019-07-16 Bio-Rad Laboratories, Inc. Digital analyte analysis
US9366632B2 (en) 2010-02-12 2016-06-14 Raindance Technologies, Inc. Digital analyte analysis
WO2012045012A2 (en) 2010-09-30 2012-04-05 Raindance Technologies, Inc. Sandwich assays in droplets
EP3859011A1 (en) 2011-02-11 2021-08-04 Bio-Rad Laboratories, Inc. Methods for forming mixed droplets
EP3736281A1 (en) 2011-02-18 2020-11-11 Bio-Rad Laboratories, Inc. Compositions and methods for molecular labeling
US8841071B2 (en) 2011-06-02 2014-09-23 Raindance Technologies, Inc. Sample multiplexing
EP3709018A1 (en) 2011-06-02 2020-09-16 Bio-Rad Laboratories, Inc. Microfluidic apparatus for identifying components of a chemical reaction
US8658430B2 (en) 2011-07-20 2014-02-25 Raindance Technologies, Inc. Manipulating droplet size
CN102304628A (zh) * 2011-07-29 2012-01-04 江西理工大学 一种利用液膜从磷矿中提取稀土的方法
US11901041B2 (en) 2013-10-04 2024-02-13 Bio-Rad Laboratories, Inc. Digital analysis of nucleic acid modification
US9944977B2 (en) 2013-12-12 2018-04-17 Raindance Technologies, Inc. Distinguishing rare variations in a nucleic acid sequence from a sample
US11193176B2 (en) 2013-12-31 2021-12-07 Bio-Rad Laboratories, Inc. Method for detecting and quantifying latent retroviral RNA species
US10647981B1 (en) 2015-09-08 2020-05-12 Bio-Rad Laboratories, Inc. Nucleic acid library generation methods and compositions
CN115893466A (zh) * 2022-12-30 2023-04-04 中稀(广西)金源稀土新材料有限公司 一种低氟稀土氧化物的制备方法
CN117865204A (zh) * 2024-01-23 2024-04-12 包头稀土研究院 降低稀土氧化物中的氯含量的方法及醋酸铵溶液的用途

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5395911A (en) * 1977-02-01 1978-08-22 Mitsubishi Chem Ind Ltd Preparation of fine rare earth oxalate powder
JPS5436060A (en) * 1977-08-25 1979-03-16 Asahi Chem Ind Co Ltd Method of treating waste water in use of active carbon
NO140925C (no) * 1978-04-14 1979-12-12 Sjeldne Jordarter Forskning Fremgangsmaate til fremstilling av yttriumoksyd med saerlig store partikler
JPS5528905A (en) * 1978-08-18 1980-02-29 Mitsubishi Chem Ind Ltd Preparation of fine powder of ammonium yttrium oxalate
US4375453A (en) * 1981-12-28 1983-03-01 Allied Corporation Recovery of gadolinium and gallium oxides
JPS59213620A (ja) * 1983-05-18 1984-12-03 Asahi Chem Ind Co Ltd 微粉状酸化イツトリウムの製造方法
JPS60166222A (ja) * 1984-02-09 1985-08-29 Mitsubishi Metal Corp 希土類元素酸化物微粉末の製造方法
JPH0627004B2 (ja) * 1987-05-26 1994-04-13 三菱マテリアル株式会社 １２面体の結晶形を有する酸化スカンジウムの製造方法
JPH01183415A (ja) * 1988-01-13 1989-07-21 Daido Steel Co Ltd 希土類元素の分離回収方法

Also Published As

Publication number Publication date
JPH0665609B2 (ja) 1994-08-24
BR9104905A (pt) 1992-06-23
ZA918373B (en) 1992-07-29
NO914400D0 (no) 1991-11-11
IE913935A1 (en) 1992-05-20
FR2669028A1 (fr) 1992-05-15
EP0486351B1 (fr) 1997-07-09
FR2669028B1 (fr) 1992-12-31
TW221984B (https=) 1994-04-01
EP0486351A1 (fr) 1992-05-20
CN1027890C (zh) 1995-03-15
JPH05262519A (ja) 1993-10-12
DE69126763D1 (de) 1997-08-14
DE69126763T2 (de) 1998-02-05
CA2055294A1 (fr) 1992-05-14
FI915339L (fi) 1992-05-14
FI915339A0 (fi) 1991-11-12
NO914400L (no) 1992-05-14
SG41950A1 (en) 1997-08-15
KR920009703A (ko) 1992-06-25
US5662874A (en) 1997-09-02
FI915339A7 (fi) 1992-05-14
ATE155124T1 (de) 1997-07-15
CN1061402A (zh) 1992-05-27

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