GB939530A - The synthesis of diamonds - Google Patents
The synthesis of diamondsInfo
- Publication number
- GB939530A GB939530A GB37082/59A GB3708259A GB939530A GB 939530 A GB939530 A GB 939530A GB 37082/59 A GB37082/59 A GB 37082/59A GB 3708259 A GB3708259 A GB 3708259A GB 939530 A GB939530 A GB 939530A
- Authority
- GB
- United Kingdom
- Prior art keywords
- diamonds
- synthesis
- solution
- atmos
- crystallized
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/06—Processes using ultra-high pressure, e.g. for the formation of diamonds; Apparatus therefor, e.g. moulds or dies
- B01J3/062—Processes using ultra-high pressure, e.g. for the formation of diamonds; Apparatus therefor, e.g. moulds or dies characterised by the composition of the materials to be processed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2203/00—Processes utilising sub- or super atmospheric pressure
- B01J2203/06—High pressure synthesis
- B01J2203/0605—Composition of the material to be processed
- B01J2203/061—Graphite
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2203/00—Processes utilising sub- or super atmospheric pressure
- B01J2203/06—High pressure synthesis
- B01J2203/0605—Composition of the material to be processed
- B01J2203/063—Carbides
- B01J2203/0635—Silicon carbide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2203/00—Processes utilising sub- or super atmospheric pressure
- B01J2203/06—High pressure synthesis
- B01J2203/065—Composition of the material produced
- B01J2203/0655—Diamond
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2203/00—Processes utilising sub- or super atmospheric pressure
- B01J2203/06—High pressure synthesis
- B01J2203/0675—Structural or physico-chemical features of the materials processed
- B01J2203/068—Crystal growth
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
Diamonds are crystallized from solution in nickel, the solution having been formed at a pressure of 77,000-89,000 atmos. and a temperature of 1800 DEG -2000 DEG C. by the dissolution of graphite or carbon produced by the decomposition of silicon carbide.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA583974 | 1958-11-07 | ||
ZA594180 | 1959-10-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB939530A true GB939530A (en) | 1963-10-16 |
Family
ID=27130875
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB37082/59A Expired GB939530A (en) | 1958-11-07 | 1959-11-02 | The synthesis of diamonds |
Country Status (3)
Country | Link |
---|---|
FR (1) | FR1243976A (en) |
GB (1) | GB939530A (en) |
LU (1) | LU37894A1 (en) |
-
1959
- 1959-11-02 GB GB37082/59A patent/GB939530A/en not_active Expired
- 1959-11-04 FR FR809302A patent/FR1243976A/en not_active Expired
- 1959-11-06 LU LU37894D patent/LU37894A1/xx unknown
Also Published As
Publication number | Publication date |
---|---|
LU37894A1 (en) | 1961-05-06 |
FR1243976A (en) | 1961-01-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB933225A (en) | Improvements in or relating to a process for moving material | |
GB892132A (en) | A process for the manufacture of chemical compounds in a state of high purity | |
BE584957Q (en) | Acetylene production process. | |
GB939530A (en) | The synthesis of diamonds | |
GB754756A (en) | Improvements in or relating to the manufacture of thiocarbohydrazide | |
ES290269A1 (en) | Procedure for the production of urea (Machine-translation by Google Translate, not legally binding) | |
FR1230823A (en) | Process for preparing 1,4-dicyanobutenes | |
FR1214581A (en) | Process for preparing hydrazine hydrate | |
FR1332530A (en) | Process for the preparation of new amines, inter alia 9-amino-alkyl-9,10-dihydro-9,10-ethano- (1,2) -anthracenes | |
BE593650A (en) | Process for the production of carbon tetrachloride. | |
FR1220326A (en) | Process for the preparation of crystallized hydroperoxide-1, of tetrahydronaphthalene 1, 2,3, 4 | |
IL37783A0 (en) | Process for the manufacture of substituted phenyl-1,3,4-oxadiazoles | |
FR1272913A (en) | Process for the preparation of 5-alkyl-2-p-halogenobenzenesulfonamido-1, 3, 4-thiadiazoles | |
BE584564A (en) | Process for the preparation of carbon disulphide. | |
AU271458B2 (en) | Process forthe production of ammonia synthesis feed gas. v' n | |
ES389471A1 (en) | Process for the production of thiophosgene | |
FR2120490A5 (en) | Ammonium dinitro-orthocresolate prodn - with thermal treatment to give fine crystalline form | |
CA525871A (en) | Process for the production of dicyanogen or cyanogen gas | |
AU1260261A (en) | Process forthe production of ammonia synthesis feed gas. v' n | |
MO et al. | High temperature decomposition of boron phosphide(Thermal decomposition pressure of boron phosphide using hydrogen as carrying gas) | |
AU275200B2 (en) | Improved process forthe production of 2, 2-bis(4-hydroxyphenyl)propane | |
CA558632A (en) | Process for the production of silicon carbide | |
AU216018B2 (en) | Process for carrying out endothermic reactions at high temperatures | |
ES251194A1 (en) | Procedure and device for the manufacture of very pure silicon (Machine-translation by Google Translate, not legally binding) | |
GB1038750A (en) | Process for the manufacture of 2,2-dichlorobutane |