| 摘要 |
A heavy liquid for densimetric separations, particularly the densimetric separations of diamond from gangue, comprises a suspension of finely divided metal carbide powder in a liquid base which is compatible with the carbide and which has a density of greater than 1,5. The metal carbide is preferably tungsten carbide and the liquid base is preferably tetrabromoethane, bromoform or di- iodomethane. |
