发明名称 |
METHOD OF CLEANING OF SYNTHETIC ULTRADISPERSED DIAMONDS |
摘要 |
methods of cleaning of synthetic ultradispersed diamonds in withdrawal of diamonds from product of detonation synthesis. SUBSTANCE: 100 g of diamond mixture containing about 40 wt.% of diamonds and the rest in form of nondiamond carbon and metal impurities are placed on pan of electric furnace. Mixture is heated up to 380-440 C at rate of 2.5-10 C/min and held at maximum temperature for 2-4 h. Diamond yield amounts to 38.5-39.1 wt.%, content of nondiamond carbon is 0.1-0.8 wt.%. EFFECT: simple method with use of no toxic media. 2 ex |
申请公布号 |
RU2168462(C2) |
申请公布日期 |
2001.06.10 |
申请号 |
RU19990107121 |
申请日期 |
1999.04.05 |
申请人 |
FEDERAL'NYJ NAUCHNO-PROIZVODSTVENNYJ TSENTR "ALTAJ |
发明人 |
LARIONOVA I.S.;MOLOSTOV I.N.;KULAGINA L.S.;KOMAROV V.F. |
分类号 |
C01B31/06 |
主分类号 |
C01B31/06 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|