RU2011119428A - ELECTROLYTIC METHOD FOR PRODUCING ULTRA-DISPERSED POWDER OF LANTANE HEXABORIDE - Google Patents
ELECTROLYTIC METHOD FOR PRODUCING ULTRA-DISPERSED POWDER OF LANTANE HEXABORIDE Download PDFInfo
- Publication number
- RU2011119428A RU2011119428A RU2011119428/07A RU2011119428A RU2011119428A RU 2011119428 A RU2011119428 A RU 2011119428A RU 2011119428/07 A RU2011119428/07 A RU 2011119428/07A RU 2011119428 A RU2011119428 A RU 2011119428A RU 2011119428 A RU2011119428 A RU 2011119428A
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- Russia
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- chloride
- lanthanum
- potassium
- synthesis
- hexaboride
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- Electrolytic Production Of Metals (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
1. Электролитический способ получения ультрадисперсного порошка гексаборида лантана, включающий синтез гексаборида лантана из расплавленных сред, отличающийся тем, что синтез проводят из хлоридного расплава в атмосфере очищенного и осушенного аргона, в качестве источника лантана используют безводный хлорид лантана, источника бора - фторборат калия, фонового электролита - эквимольную смесь хлорида калия и хлорида натрия при следующем соотношении компонентов, мас.%: ! хлорид лантана 2,5÷5,0, ! фторборат калия 8,0÷11,0, ! остальное: эквимолъная смесь хлоридов калия и натрия. ! 2. Способ по п.1, отличающийся тем, что синтез проводят при температуре 700°C, плотностях тока от 0,1 до 1,0 А/см2 и потенциалах электролиза относительно стеклоуглеродного электрода сравнения от 2,0 до 2,6 B. 1. An electrolytic method for producing an ultrafine powder of lanthanum hexaboride, including the synthesis of lanthanum hexaboride from molten media, characterized in that the synthesis is carried out from a chloride melt in an atmosphere of purified and dried argon, anhydrous lanthanum chloride is used as a source of lanthanum, the source of boron is potassium fluoroborate, background electrolyte - an equimolar mixture of potassium chloride and sodium chloride with the following ratio of components, wt%:! lanthanum chloride 2.5 ÷ 5.0,! potassium fluoroborate 8.0 ÷ 11.0,! the rest: an equimolar mixture of potassium and sodium chlorides. ! 2. The method according to claim 1, characterized in that the synthesis is carried out at a temperature of 700 ° C, current densities from 0.1 to 1.0 A / cm2 and electrolysis potentials relative to the glassy carbon reference electrode from 2.0 to 2.6 V.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2011119428/07A RU2477340C2 (en) | 2011-05-13 | 2011-05-13 | Electrolytic method for obtaining ultradisperse powder of lanthanum hexaboride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2011119428/07A RU2477340C2 (en) | 2011-05-13 | 2011-05-13 | Electrolytic method for obtaining ultradisperse powder of lanthanum hexaboride |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2011119428A true RU2011119428A (en) | 2012-11-20 |
| RU2477340C2 RU2477340C2 (en) | 2013-03-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2011119428/07A RU2477340C2 (en) | 2011-05-13 | 2011-05-13 | Electrolytic method for obtaining ultradisperse powder of lanthanum hexaboride |
Country Status (1)
| Country | Link |
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| RU (1) | RU2477340C2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111118520A (en) * | 2019-12-17 | 2020-05-08 | 北京镭硼科技有限责任公司 | Preparation method of molten salt and boron-10 powder |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2722753C1 (en) * | 2019-12-25 | 2020-06-03 | Федеральное государственное бюджетное учреждение науки Институт высокотемпературной электрохимии Уральского отделения Российской Академии наук | Electrochemical method of producing microdisperse powders of metal hexaborides of lanthanide group |
| CN111364049A (en) * | 2020-04-01 | 2020-07-03 | 四川江铜稀土有限责任公司 | Method for preparing rare earth boride through low-cost molten salt electrolysis |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4146438A (en) * | 1976-03-31 | 1979-03-27 | Diamond Shamrock Technologies S.A. | Sintered electrodes with electrocatalytic coating |
| FR2623790B1 (en) * | 1987-11-26 | 1990-11-30 | Rhone Poulenc Chimie | PROCESS FOR THE PREPARATION OF RARE EARTH BORURES |
| DE10216944A1 (en) * | 2002-04-17 | 2003-11-06 | Starck H C Gmbh | Process for the electrochemical dissolution of powders and suitable electrolysis cells |
| RU2264482C1 (en) * | 2004-08-12 | 2005-11-20 | Общество с Ограниченной Ответственностью "Гелиос" | Electrolyzer |
| RU2299176C1 (en) * | 2005-11-07 | 2007-05-20 | Государственное Учреждение Институт металлургии Уральского отделения Российской Академии Наук (ГУ ИМЕТ УрО РАН) | Method of production of ultra-dispersed powder of metal oxide |
| RU2393115C2 (en) * | 2008-08-04 | 2010-06-27 | Государственное образовательное учреждение высшего профессионального образования Кабардино-Балкарский государственный университет им. Х.М. Бербекова | Electrolytic method for synthesis of praseodymium hexaboride |
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2011
- 2011-05-13 RU RU2011119428/07A patent/RU2477340C2/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111118520A (en) * | 2019-12-17 | 2020-05-08 | 北京镭硼科技有限责任公司 | Preparation method of molten salt and boron-10 powder |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2477340C2 (en) | 2013-03-10 |
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| MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20140514 |