| 摘要 |
PCT No. PCT/DE94/00567 Sec. 371 Date Nov. 22, 1995 Sec. 102(e) Date Nov. 22, 1995 PCT Filed May 16, 1994 PCT Pub. No. WO94/28205 PCT Pub. Date Dec. 8, 1994A process and device for producing an optically pure polycrystalline salt body by melting a starting material for the salt and then introducing the melted material into a casting mould having a base which is kept at a temperature of 1 DEG C. to 50 DEG C. below the melting point of the material to form a solid crust on the base and then solidifying the entire melt to form the polycrystalline salt body. |
