DE69126763D1 - Verfahren zur Herstellung von gemischten Oxalaten von Ammonium und seltenen Erden und deren Anwendung zur Herstellung von Oxyden der seltenen Erden - Google Patents

Verfahren zur Herstellung von gemischten Oxalaten von Ammonium und seltenen Erden und deren Anwendung zur Herstellung von Oxyden der seltenen Erden

Info

Publication number
DE69126763D1
DE69126763D1 DE69126763T DE69126763T DE69126763D1 DE 69126763 D1 DE69126763 D1 DE 69126763D1 DE 69126763 T DE69126763 T DE 69126763T DE 69126763 T DE69126763 T DE 69126763T DE 69126763 D1 DE69126763 D1 DE 69126763D1
Authority
DE
Germany
Prior art keywords
ammonium
rare
preparation
production
earth oxides
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.)
Expired - Fee Related
Application number
DE69126763T
Other languages
English (en)
Other versions
DE69126763T2 (de
Inventor
Claire David
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rhodia Chimie SAS
Original Assignee
Rhone Poulenc Chimie SA
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 Rhone Poulenc Chimie SA filed Critical Rhone Poulenc Chimie SA
Publication of DE69126763D1 publication Critical patent/DE69126763D1/de
Application granted granted Critical
Publication of DE69126763T2 publication Critical patent/DE69126763T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/41Preparation of salts of carboxylic acids
    • C07C51/412Preparation of salts of carboxylic acids by conversion of the acids, their salts, esters or anhydrides with the same carboxylic acid part
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00Compounds of rare earth metals
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01CAMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00Ammonia; Compounds thereof
    • C01C1/28Methods of preparing ammonium salts in general
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/41Preparation of salts of carboxylic acids
DE69126763T 1990-11-13 1991-10-31 Verfahren zur Herstellung von gemischten Oxalaten von Ammonium und seltenen Erden und deren Anwendung zur Herstellung von Oxyden der seltenen Erden Expired - Fee Related DE69126763T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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
DE69126763D1 true DE69126763D1 (de) 1997-08-14
DE69126763T2 DE69126763T2 (de) 1998-02-05

Family

ID=9402098

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69126763T Expired - Fee Related DE69126763T2 (de) 1990-11-13 1991-10-31 Verfahren zur Herstellung von gemischten Oxalaten von Ammonium und seltenen Erden und deren Anwendung zur Herstellung von Oxyden der seltenen Erden

Country Status (16)

Country Link
US (1) US5662874A (de)
EP (1) EP0486351B1 (de)
JP (1) JPH0665609B2 (de)
KR (1) KR950003421B1 (de)
CN (1) CN1027890C (de)
AT (1) ATE155124T1 (de)
BR (1) BR9104905A (de)
CA (1) CA2055294A1 (de)
DE (1) DE69126763T2 (de)
FI (1) FI915339A (de)
FR (1) FR2669028B1 (de)
IE (1) IE913935A1 (de)
NO (1) NO914400L (de)
SG (1) SG41950A1 (de)
TW (1) TW221984B (de)
ZA (1) ZA918373B (de)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07309623A (ja) * 1994-05-18 1995-11-28 Shin Etsu Chem Co Ltd 角状希土類元素蓚酸アンモニウム複塩および角状希土類元素酸化物の製造方法
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
ATE206633T1 (de) * 1996-07-15 2001-10-15 Calcitech Ltd Herstellung von pulvern
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
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
GB0307428D0 (en) 2003-03-31 2003-05-07 Medical Res Council Compartmentalised combinatorial chemistry
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
EP2363205A3 (de) 2006-01-11 2014-06-04 Raindance Technologies, Inc. Mikrofluidische Vorrichtungen Und Verfahren Zur Verwendung Bei Der Bildung Und Kontrolle Von Nanoreaktoren
EP2530168B1 (de) 2006-05-11 2015-09-16 Raindance Technologies, Inc. Mikrofluidische Vorrichtungen
US9562837B2 (en) 2006-05-11 2017-02-07 Raindance Technologies, Inc. Systems for handling microfludic droplets
WO2008021123A1 (en) 2006-08-07 2008-02-21 President And Fellows Of Harvard College Fluorocarbon emulsion stabilizing surfactants
WO2008097559A2 (en) 2007-02-06 2008-08-14 Brandeis University Manipulation of fluids and reactions in microfluidic systems
WO2008130623A1 (en) 2007-04-19 2008-10-30 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
EP4047367A1 (de) 2008-07-18 2022-08-24 Bio-Rad Laboratories, Inc. Verfahren zum nachweis von zielanalyten unter verwendung von tropfenbibliotheken
EP3415235A1 (de) 2009-03-23 2018-12-19 Raindance Technologies Inc. Manipulation von mikrofluidiktröpfchen
WO2011042564A1 (en) 2009-10-09 2011-04-14 Universite De Strasbourg Labelled silica-based nanomaterial with enhanced properties and uses thereof
EP2517025B1 (de) 2009-12-23 2019-11-27 Bio-Rad Laboratories, Inc. Verfahren zur reduzierung des austauschs von molekülen zwischen tröpfchen
US9366632B2 (en) 2010-02-12 2016-06-14 Raindance Technologies, Inc. Digital analyte analysis
US9399797B2 (en) 2010-02-12 2016-07-26 Raindance Technologies, Inc. Digital analyte analysis
EP2534267B1 (de) 2010-02-12 2018-04-11 Raindance Technologies, Inc. Digitale analyse von analyten
US10351905B2 (en) 2010-02-12 2019-07-16 Bio-Rad Laboratories, Inc. Digital analyte analysis
US9562897B2 (en) 2010-09-30 2017-02-07 Raindance Technologies, Inc. Sandwich assays in droplets
US9364803B2 (en) 2011-02-11 2016-06-14 Raindance Technologies, Inc. Methods for forming mixed droplets
US9150852B2 (en) 2011-02-18 2015-10-06 Raindance Technologies, Inc. Compositions and methods for molecular labeling
EP3709018A1 (de) 2011-06-02 2020-09-16 Bio-Rad Laboratories, Inc. Mikrofluidische vorrichtung zum nachweis von komponenten einer chemischen reaktion
US8841071B2 (en) 2011-06-02 2014-09-23 Raindance Technologies, Inc. Sample multiplexing
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

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
FR2669028A1 (fr) 1992-05-15
NO914400L (no) 1992-05-14
CN1061402A (zh) 1992-05-27
CN1027890C (zh) 1995-03-15
EP0486351A1 (de) 1992-05-20
EP0486351B1 (de) 1997-07-09
KR950003421B1 (ko) 1995-04-12
KR920009703A (ko) 1992-06-25
FI915339A0 (fi) 1991-11-12
SG41950A1 (en) 1997-08-15
JPH0665609B2 (ja) 1994-08-24
NO914400D0 (no) 1991-11-11
IE913935A1 (en) 1992-05-20
FR2669028B1 (fr) 1992-12-31
ZA918373B (en) 1992-07-29
CA2055294A1 (fr) 1992-05-14
BR9104905A (pt) 1992-06-23
DE69126763T2 (de) 1998-02-05
TW221984B (de) 1994-04-01
FI915339A (fi) 1992-05-14
JPH05262519A (ja) 1993-10-12
ATE155124T1 (de) 1997-07-15
US5662874A (en) 1997-09-02

Similar Documents

Publication Publication Date Title
DE69126763T2 (de) Verfahren zur Herstellung von gemischten Oxalaten von Ammonium und seltenen Erden und deren Anwendung zur Herstellung von Oxyden der seltenen Erden
Van Loo Luminescence of lead molybdate and lead tungstate. II. Discussion
ATE87596T1 (de) Trifluorid der seltenen erden mit neuen morphologischen kennzeichen und verfahren zu seiner herstellung.
DE69108283D1 (de) Verfahren zur Herstellung von Doppeloxalaten der seltenen Erden und Ammonium und ihre Verwendung zur Herstellung von Oxiden der seltenen Erden, Doppeloxalate und die erhaltene Oxide.
DE69129143T2 (de) Verfahren zur Herstellung von gemischten Oxalaten von Ammonium und seltenen Erden und deren Anwendung zur Herstellung von Oxyden der seltenen Erden und die so hergestellten seltenen Erden
EP0208932A3 (de) Glycerinderivate
GB1208565A (en) Improvements in and relating to phosphors
ATE84917T1 (de) Verfahren zur herstellung von supraleiter und hiermit erhaltene produkte.
JPS5360386A (en) Production of cerium-activated yttrium orthoaluminate fluorescent substance
SU509882A1 (ru) Способ изготовлени магнитного по-рошка дл носител записи
GB1323306A (en) Method of preparing rare earth metal orthovanadate phsophors
JPS6442353A (en) Manufacture of oxide superconducting material
GB1131956A (en) Phosphor and method of preparation thereof
GB1164047A (en) A Magnetic Material having Square Hysteresis Loop Characteristic and a Memory Core made of the same
GB1181458A (en) Method of Preparing Phosphors
GB1187440A (en) Luminescent Materials
GB1288031A (de)
JPS5655480A (en) Phosphor and production thereof
JPS56115382A (en) Fluorescent substance

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee