GB802731A - Improvements in or relating to ª‡-aluminium oxide - Google Patents
Improvements in or relating to ª‡-aluminium oxideInfo
- Publication number
- GB802731A GB802731A GB29295/54A GB2929554A GB802731A GB 802731 A GB802731 A GB 802731A GB 29295/54 A GB29295/54 A GB 29295/54A GB 2929554 A GB2929554 A GB 2929554A GB 802731 A GB802731 A GB 802731A
- Authority
- GB
- United Kingdom
- Prior art keywords
- per cent
- heated
- alkali metal
- weight
- aluminium
- 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
Links
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title abstract 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 10
- 239000000843 powder Substances 0.000 abstract 8
- 238000000576 coating method Methods 0.000 abstract 7
- 239000011248 coating agent Substances 0.000 abstract 6
- 229910000272 alkali metal oxide Inorganic materials 0.000 abstract 5
- 239000000377 silicon dioxide Substances 0.000 abstract 5
- 239000000243 solution Substances 0.000 abstract 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract 4
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 abstract 4
- 239000011521 glass Substances 0.000 abstract 4
- 239000000203 mixture Substances 0.000 abstract 4
- 239000000047 product Substances 0.000 abstract 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract 3
- 229910052783 alkali metal Inorganic materials 0.000 abstract 3
- 150000001340 alkali metals Chemical class 0.000 abstract 3
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium chloride Substances Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 abstract 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 abstract 3
- 239000000292 calcium oxide Substances 0.000 abstract 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 abstract 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 abstract 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 abstract 2
- 239000004411 aluminium Substances 0.000 abstract 2
- 229910052782 aluminium Inorganic materials 0.000 abstract 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 2
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 abstract 2
- 229910021502 aluminium hydroxide Inorganic materials 0.000 abstract 2
- 239000001164 aluminium sulphate Substances 0.000 abstract 2
- 235000011128 aluminium sulphate Nutrition 0.000 abstract 2
- 229910021529 ammonia Inorganic materials 0.000 abstract 2
- 239000000919 ceramic Substances 0.000 abstract 2
- 238000002485 combustion reaction Methods 0.000 abstract 2
- BUACSMWVFUNQET-UHFFFAOYSA-H dialuminum;trisulfate;hydrate Chemical compound O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BUACSMWVFUNQET-UHFFFAOYSA-H 0.000 abstract 2
- 238000001962 electrophoresis Methods 0.000 abstract 2
- 239000002244 precipitate Substances 0.000 abstract 2
- 229910052708 sodium Inorganic materials 0.000 abstract 2
- 239000011734 sodium Substances 0.000 abstract 2
- 239000011780 sodium chloride Substances 0.000 abstract 2
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 abstract 2
- 229910001948 sodium oxide Inorganic materials 0.000 abstract 2
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 abstract 1
- RJDLJFWIJYGWQD-UHFFFAOYSA-N CC(=O)C.C(CCCC)CC(=O)O Chemical compound CC(=O)C.C(CCCC)CC(=O)O RJDLJFWIJYGWQD-UHFFFAOYSA-N 0.000 abstract 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 abstract 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 abstract 1
- 229910002651 NO3 Inorganic materials 0.000 abstract 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 abstract 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 abstract 1
- 239000003513 alkali Substances 0.000 abstract 1
- 159000000013 aluminium salts Chemical class 0.000 abstract 1
- 229910000329 aluminium sulfate Inorganic materials 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 229910052790 beryllium Inorganic materials 0.000 abstract 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 abstract 1
- 239000011230 binding agent Substances 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000010304 firing Methods 0.000 abstract 1
- 239000005337 ground glass Substances 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 235000012245 magnesium oxide Nutrition 0.000 abstract 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical class [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 229910017604 nitric acid Inorganic materials 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 1
- 229910052721 tungsten Inorganic materials 0.000 abstract 1
- 239000010937 tungsten Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
- H01B3/10—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances metallic oxides
-
- 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
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/46—Purification of aluminium oxide, aluminium hydroxide or aluminates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
- H01B3/025—Other inorganic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
- H01J1/22—Heaters
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Glass Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU802731X | 1953-10-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB802731A true GB802731A (en) | 1958-10-08 |
Family
ID=10980377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB29295/54A Expired GB802731A (en) | 1953-10-10 | 1954-10-11 | Improvements in or relating to ª‡-aluminium oxide |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE1071566B (enrdf_load_stackoverflow) |
| FR (1) | FR1115587A (enrdf_load_stackoverflow) |
| GB (1) | GB802731A (enrdf_load_stackoverflow) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4822592A (en) * | 1987-02-05 | 1989-04-18 | Aluminum Company Of America | Producing alpha alumina particles with pressurized acidic steam |
| EP0624550A1 (en) * | 1993-05-11 | 1994-11-17 | Exxon Research And Engineering Company | Heat transfer solids for high temperature fluidized bed reactions |
| GB2306873A (en) * | 1995-10-26 | 1997-05-07 | Strix Ltd | Insulating heater substrate by electrostatic deposition |
| EP0924738A1 (en) * | 1997-12-19 | 1999-06-23 | Matsushita Electronics Corporation | Methods of manufacturing heater and cathode-ray tube comprising the same |
| US6242854B1 (en) | 1998-01-20 | 2001-06-05 | Matsushita Electronics Corporation | Indirectly heated cathode for a CRT having high purity alumina insulating layer with limited amounts of Na OR Si |
| EP2119672A4 (en) * | 2006-12-15 | 2013-08-14 | Nippon Light Metal Co | PROCESS FOR THE PRODUCTION OF HIGH-PURITY ALUMINUM OXIDE |
| US20150368117A1 (en) * | 2012-12-17 | 2015-12-24 | Polar Sapphire Ltd. | Process for making high purity aluminum oxide |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3140063A1 (de) * | 1980-10-09 | 1982-05-13 | Vasipari Kutató Intézet, Budapest | Presspulver zur herstellung von korrosionsfesten und/oder verschleissbestaendigen gegenstaenden und unter ihrer verwendung gefertigte presswerkzeuge |
-
0
- DE DENDAT1071566D patent/DE1071566B/de active Pending
-
1954
- 1954-10-09 FR FR1115587D patent/FR1115587A/fr not_active Expired
- 1954-10-11 GB GB29295/54A patent/GB802731A/en not_active Expired
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4822592A (en) * | 1987-02-05 | 1989-04-18 | Aluminum Company Of America | Producing alpha alumina particles with pressurized acidic steam |
| EP0624550A1 (en) * | 1993-05-11 | 1994-11-17 | Exxon Research And Engineering Company | Heat transfer solids for high temperature fluidized bed reactions |
| GB2306873A (en) * | 1995-10-26 | 1997-05-07 | Strix Ltd | Insulating heater substrate by electrostatic deposition |
| GB2306873B (en) * | 1995-10-26 | 2000-06-21 | Strix Ltd | Manufacture of heaters |
| EP0924738A1 (en) * | 1997-12-19 | 1999-06-23 | Matsushita Electronics Corporation | Methods of manufacturing heater and cathode-ray tube comprising the same |
| US6294065B1 (en) | 1997-12-19 | 2001-09-25 | Matsushita Electric Industrial Co., Ltd. | Methods of manufacturing heater and cathode-ray tube comprising the same |
| US6242854B1 (en) | 1998-01-20 | 2001-06-05 | Matsushita Electronics Corporation | Indirectly heated cathode for a CRT having high purity alumina insulating layer with limited amounts of Na OR Si |
| EP2119672A4 (en) * | 2006-12-15 | 2013-08-14 | Nippon Light Metal Co | PROCESS FOR THE PRODUCTION OF HIGH-PURITY ALUMINUM OXIDE |
| US20150368117A1 (en) * | 2012-12-17 | 2015-12-24 | Polar Sapphire Ltd. | Process for making high purity aluminum oxide |
| US9751775B2 (en) * | 2012-12-17 | 2017-09-05 | Polar Sapphire Ltd. | Process for making high purity aluminum oxide |
Also Published As
| Publication number | Publication date |
|---|---|
| FR1115587A (fr) | 1956-04-26 |
| DE1071566B (enrdf_load_stackoverflow) |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4231893A (en) | Process for preparing aqueous dispersion of ceria and resulting product | |
| US3761571A (en) | Production of ceria | |
| GB802731A (en) | Improvements in or relating to ª‡-aluminium oxide | |
| US4367292A (en) | Method for manufacture of powder composition for cordierite | |
| JPH0323220A (ja) | 白色導電性酸化亜鉛の製造方法 | |
| KR860007159A (ko) | 네오디뮴 티타네이트 또는 바륨 네오디뮴 티타네이트의 제조방법 | |
| US3365314A (en) | Method of producing articles containing predominantly cordierite, anorthite, spinel and/or forsterite | |
| US2295104A (en) | Manufacture of normal lead trinitroresorcinate and double salts thereof | |
| JP2000185914A (ja) | 炭酸バリウムの製造方法及び生成炭酸バリウム並びに該炭酸バリウムによるチタン酸バリウム | |
| US2209907A (en) | Manufacture of pigments | |
| US2525073A (en) | Magnesia-ceria and magnesiaberyllia catalysts | |
| US3655339A (en) | Production of low-soda alumina | |
| US2099019A (en) | Pigments and methods of making same | |
| US2966406A (en) | Production of tungsten from tungsten oxides | |
| Iida et al. | Sintering of High‐Purity Nickel Oxide, II | |
| GB761166A (en) | The method of manufacturing hydrogen cyanide | |
| US3000761A (en) | Method of staining borosilicate glass and resultant article | |
| YOE et al. | Gravimetric Determination of Tungsten With Anti-1, 5-di-(p-methoxyphenyl)-1-hydroxylamino-3-oximino-4-pentene | |
| US2427682A (en) | Production of vitreous enamel opacifier | |
| GB1098595A (en) | Process of manufacturing refractory fibers | |
| US3236682A (en) | Process for preparation of causticresistant containers for high-temperature use | |
| US3057684A (en) | Methods of obtaining sintered beryllium oxide | |
| SU366517A1 (enrdf_load_stackoverflow) | ||
| SU1710529A1 (ru) | Композици дл получени светонепроницаемого покрыти кварцевых галогенных ламп накаливани | |
| JPH0193404A (ja) | ガーネット構造を持つ化合物の原料粉末の製造方法 |