| 摘要 |
Alkali metal borides are prepared by reacting an alkali metal or an alkali metal hydride with boron carbide in a non-oxidizing atmosphere at 500-1400 DEG C. and treating the product with a mineral acid, e.g. dilute hydrochloric acid. At least 10% by weight of alkali metal or alkali metal hydride, based on the total weight of alkali metal or alkali metal hydride and boron carbide, is preferably used. The non-oxidizing atmosphere may be argon or hydrogen. Examples describing the preparation of lithium boride are given. |
