| 摘要 |
A mixture, comprising an alkaline fluoride or an alkaline earths fluoride or a mixture from two or more thereof and 2 % by weight or less of silicic acid, preferably pyrogenic silicic acid. Also disclosed are the production method and the use of said mixture in the production of high-purity metals, in silver soldering, as a catalyst in the conversion of organic compounds and as a fluorination agent for organic compounds. |
