ATE50234T1 - Verfahren zur herstellung von kristallinem ammoniummetawolframat. - Google Patents
Verfahren zur herstellung von kristallinem ammoniummetawolframat.Info
- Publication number
- ATE50234T1 ATE50234T1 AT85114651T AT85114651T ATE50234T1 AT E50234 T1 ATE50234 T1 AT E50234T1 AT 85114651 T AT85114651 T AT 85114651T AT 85114651 T AT85114651 T AT 85114651T AT E50234 T1 ATE50234 T1 AT E50234T1
- Authority
- AT
- Austria
- Prior art keywords
- solution
- ammonium
- ammonium metatungstate
- hours
- water
- Prior art date
Links
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 title abstract 6
- 238000000034 method Methods 0.000 title abstract 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 4
- XAYGUHUYDMLJJV-UHFFFAOYSA-Z decaazanium;dioxido(dioxo)tungsten;hydron;trioxotungsten Chemical compound [H+].[H+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O XAYGUHUYDMLJJV-UHFFFAOYSA-Z 0.000 abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
- 229910021529 ammonia Inorganic materials 0.000 abstract 2
- 239000012141 concentrate Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000002198 insoluble material Substances 0.000 abstract 1
- 239000002002 slurry Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G41/00—Compounds of tungsten
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/704,843 US4612182A (en) | 1985-02-25 | 1985-02-25 | Method of producing crystalline ammonium metatungstate |
| EP85114651A EP0192824B1 (de) | 1985-02-25 | 1985-11-18 | Verfahren zur Herstellung von kristallinem Ammoniummetawolframat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE50234T1 true ATE50234T1 (de) | 1990-02-15 |
Family
ID=24831090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT85114651T ATE50234T1 (de) | 1985-02-25 | 1985-11-18 | Verfahren zur herstellung von kristallinem ammoniummetawolframat. |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4612182A (de) |
| EP (1) | EP0192824B1 (de) |
| JP (1) | JPH0623047B2 (de) |
| KR (1) | KR920010086B1 (de) |
| AT (1) | ATE50234T1 (de) |
| CA (1) | CA1238473A (de) |
| DE (2) | DE192824T1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4211244B2 (ja) | 2001-06-18 | 2009-01-21 | いすゞ自動車株式会社 | 変速操作装置 |
| US7794686B2 (en) | 2008-08-12 | 2010-09-14 | Tdy Industries, Inc. | Method for making ammonium metatungstate |
| CN103318962A (zh) * | 2013-03-25 | 2013-09-25 | 赣县安美特钨制品有限公司 | 一种偏钨酸铵的生产方法 |
| CN111517367A (zh) * | 2020-04-07 | 2020-08-11 | 厦门钨业股份有限公司 | 制备高纯仲钨酸铵的方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3175881A (en) * | 1962-07-10 | 1965-03-30 | Sylvania Electric Prod | Method of producing crystalline ammonium metatungstate |
| FR1356164A (fr) * | 1963-05-07 | 1964-03-20 | Pechiney Prod Chimiques Sa | Procédé de préparation de métatungstate d'ammonium cristallisé |
| US3472613A (en) * | 1966-03-22 | 1969-10-14 | Kewanee Oil Co | Process for converting ammonium paratungstate to a more soluble form |
| US3956474A (en) * | 1975-01-27 | 1976-05-11 | Gte Sylvania Incorporated | Process for producing ammonium metatungstate from ammonium tungstate by digestion in silica |
| US4504461A (en) * | 1983-09-02 | 1985-03-12 | Amax Inc. | Process for producing ammonium metatungstate |
-
1985
- 1985-02-25 US US06/704,843 patent/US4612182A/en not_active Expired - Lifetime
- 1985-11-18 EP EP85114651A patent/EP0192824B1/de not_active Expired - Lifetime
- 1985-11-18 DE DE198585114651T patent/DE192824T1/de active Pending
- 1985-11-18 AT AT85114651T patent/ATE50234T1/de not_active IP Right Cessation
- 1985-11-18 DE DE8585114651T patent/DE3575906D1/de not_active Expired - Lifetime
- 1985-11-30 KR KR1019850008997A patent/KR920010086B1/ko not_active Expired
- 1985-12-18 JP JP60283165A patent/JPH0623047B2/ja not_active Expired - Lifetime
-
1986
- 1986-02-19 CA CA000502231A patent/CA1238473A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE192824T1 (de) | 1986-12-18 |
| JPS61201624A (ja) | 1986-09-06 |
| KR920010086B1 (ko) | 1992-11-14 |
| EP0192824B1 (de) | 1990-02-07 |
| JPH0623047B2 (ja) | 1994-03-30 |
| US4612182A (en) | 1986-09-16 |
| DE3575906D1 (de) | 1990-03-15 |
| EP0192824A1 (de) | 1986-09-03 |
| KR860006400A (ko) | 1986-09-11 |
| CA1238473A (en) | 1988-06-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE59609239D1 (de) | Verfahren zur abtrennung von mittelsiedern aus einem gemisch aus leicht-, mittel- und hochsiedern | |
| ATE143054T1 (de) | Verfahren zum abtrennen von lysine in form von einer wässerigen lösung und verwendung dieser lösung in der tierernährung | |
| DE3771362D1 (de) | Verfahren zur herstellung von sehr reinem dermatansulfat und pharmazeutische zusammensetzungen, welche dieses enthalten. | |
| ATE50234T1 (de) | Verfahren zur herstellung von kristallinem ammoniummetawolframat. | |
| DE3769973D1 (de) | Verfahren zur herstellung von niedermolekularen alkalihuminaten. | |
| ATE116285T1 (de) | Verfahren zur herstellung von kristallen eines salzes von sauerer aminosäure und basischer aminosäure. | |
| ATE67157T1 (de) | Verfahren zur herstellung von ammoniumwolframat aus ammoniumparawolframat. | |
| ATE188201T1 (de) | Verfahren zur herstellung von oligomethylenharnstoff | |
| DE3772227D1 (de) | Verfahren zur herstellung von iminodiacetonitril. | |
| ATE28089T1 (de) | Verfahren zur herstellung von oxhydrylverbindungen aus nickel und so hergestellte verbindungen. | |
| DE3462123D1 (en) | Process and plant for producing ammonium nitrate | |
| DE59805083D1 (de) | Verfahren zur Herstellung von Citronensäure und/oder Citraten | |
| AT400035B (de) | Enzymatisches verfahren zur herstellung aliphatischer s-cyanhydrine | |
| ATE129693T1 (de) | Verfahren zur herstellung von s(+)-6-methoxy- alpha-methyl-2-naphthalin-essigsäure. | |
| DE3885377D1 (de) | Verfahren zur Herstellung von Natriumpurinen. | |
| ATE24717T1 (de) | Verfahren zur herstellung von 3-picolin. | |
| MY102704A (en) | Process for the preparation of glutamic acid or the monosodium salt thereof | |
| DE50109873D1 (de) | Verfahren zur herstellung von 1-methyl-3-nitroguanidin | |
| KR860007157A (ko) | 결정질 메타 텅스텐산 암모늄의 제조방법 | |
| ATE45152T1 (de) | Verfahren zur herstellung von 3-amino-1,2,4triazol. | |
| ATE164569T1 (de) | Verfahren zur reinigung von prozesswasser aus der zellstoffherstellung | |
| RO82485B1 (ro) | Procedeu de obtinere a adipatului de amoniu de calitate reactiv p.a. | |
| DE69111340D1 (de) | Mono-N,N-dimethyl-4-aminopyridinium sn Glycerol-3-phosphat, seine Herstellung und Verwendung bei der Herstellung von Phosphatidsäuren. | |
| ATE60607T1 (de) | Verfahren zur herstellung von kristallinischem ceftazidime-pentahydrat. | |
| DE69804919D1 (de) | Verfahren zur Herstellung von 5-isopropyluracil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification | ||
| REN | Ceased due to non-payment of the annual fee |