MD1302G2 - Procedeu de obţinere a cobaltatului şi nichelatului de lantan. - Google Patents
Procedeu de obţinere a cobaltatului şi nichelatului de lantan. Download PDFInfo
- Publication number
- MD1302G2 MD1302G2 MD98-0235A MD980235A MD1302G2 MD 1302 G2 MD1302 G2 MD 1302G2 MD 980235 A MD980235 A MD 980235A MD 1302 G2 MD1302 G2 MD 1302G2
- Authority
- MD
- Moldova
- Prior art keywords
- lanthanum
- cobalt
- compounds
- pyrolysis
- obtaining
- Prior art date
Links
- 229910052746 lanthanum Inorganic materials 0.000 title abstract 4
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 title abstract 4
- 229910017052 cobalt Inorganic materials 0.000 title abstract 2
- 239000010941 cobalt Substances 0.000 title abstract 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 150000001875 compounds Chemical class 0.000 abstract 6
- 239000000919 ceramic Substances 0.000 abstract 3
- 238000000197 pyrolysis Methods 0.000 abstract 3
- 229910002651 NO3 Inorganic materials 0.000 abstract 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 abstract 2
- 239000007983 Tris buffer Substances 0.000 abstract 2
- 229910002254 LaCoO3 Inorganic materials 0.000 abstract 1
- 229910002340 LaNiO3 Inorganic materials 0.000 abstract 1
- VEQPNABPJHWNSG-UHFFFAOYSA-N Nickel(2+) Chemical compound [Ni+2] VEQPNABPJHWNSG-UHFFFAOYSA-N 0.000 abstract 1
- QIMZHEUFJYROIY-UHFFFAOYSA-N [Co].[La] Chemical compound [Co].[La] QIMZHEUFJYROIY-UHFFFAOYSA-N 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- XLJKHNWPARRRJB-UHFFFAOYSA-N cobalt(2+) Chemical compound [Co+2] XLJKHNWPARRRJB-UHFFFAOYSA-N 0.000 abstract 1
- DOARWPHSJVUWFT-UHFFFAOYSA-N lanthanum nickel Chemical compound [Ni].[La] DOARWPHSJVUWFT-UHFFFAOYSA-N 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 1
Landscapes
- Catalysts (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
Invenţia se referă la un procedeu de obţinere a ceramicilor policristaline de cobaltat şi nichelat de lantan cu structura perovskitului reieşind din combinaţii coordinative heterometalice. Produsele obţinute pot fi utilizate în industrie în calitate de catalizatori.Esenţa invenţiei constă în obţinerea ceramicilor policristaline de LaCoO3 şi LaNiO3 cu structura perovskitului prin piroliza precursorilor şi anume a compuşilor coordinativi heterometalici de lantan-cobalt sau lantan-nichel. În calitate de precursori se utilizează nitratul de tetraacva[tris(salicilidensemicarbazonato)lantan]cobalt(2+) sau nitratul de tetraacva[tris(salicilidensemicarbazonato)lantan]nichel(2+), re- prezentaţi prin formula:unde M=Co, Ni.Piroliza precursorului decurge timp de o oră la 800°C.Rezultatul tehnic al invenţiei constă în micşorarea temperaturii de piroliză a precursorului, conţinând exact raportul de metale necesar pentru obţinerea ceramicii.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MD98-0235A MD1302G2 (ro) | 1998-11-27 | 1998-11-27 | Procedeu de obţinere a cobaltatului şi nichelatului de lantan. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MD98-0235A MD1302G2 (ro) | 1998-11-27 | 1998-11-27 | Procedeu de obţinere a cobaltatului şi nichelatului de lantan. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| MD1302F1 MD1302F1 (ro) | 1999-08-30 |
| MD1302G2 true MD1302G2 (ro) | 2000-02-29 |
Family
ID=19739256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MD98-0235A MD1302G2 (ro) | 1998-11-27 | 1998-11-27 | Procedeu de obţinere a cobaltatului şi nichelatului de lantan. |
Country Status (1)
| Country | Link |
|---|---|
| MD (1) | MD1302G2 (ro) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MD2214C2 (ro) * | 2001-09-11 | 2004-01-31 | Государственный Университет Молд0 | m-[Tris(hidroximetil)aminometano]-{di[tris(hidroximetil)aminometano]lantan-di[tris(hidroximetil)aminometano]cobalt} ca precursor pentru obţinerea cobaltului de lantan |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MD20130024A2 (ro) * | 2013-04-30 | 2014-10-31 | Институт Химии Академии Наук Молдовы | Procedeu de obţinere a cobaltatului de stronţiu SrCoO2.52 |
-
1998
- 1998-11-27 MD MD98-0235A patent/MD1302G2/ro unknown
Non-Patent Citations (1)
| Title |
|---|
| S.C., Wrokiewicz Y.A., Sis L.B., Wiztz G.P. Am. Ceram. Soc. Bull. 1974. V. 53, No 5, pag. 446–449 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MD2214C2 (ro) * | 2001-09-11 | 2004-01-31 | Государственный Университет Молд0 | m-[Tris(hidroximetil)aminometano]-{di[tris(hidroximetil)aminometano]lantan-di[tris(hidroximetil)aminometano]cobalt} ca precursor pentru obţinerea cobaltului de lantan |
Also Published As
| Publication number | Publication date |
|---|---|
| MD1302F1 (ro) | 1999-08-30 |
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|---|---|---|---|
| PD99 | Pending application |