| 摘要 |
A process for preparing various morphology NTE compound ZrW0.5Mo1.5O8 comprising: preparing 0.4M Zr4+ solution, 0.2M W6+ solution and 0.6M Mo6+ solution with zirconyl nitrate, ammonium tungstate and ammo-nium molybdate separately, mixing them with the same volume and stirring until they are mixed well, adding 6-12M hydrochloric acid with the volume of ⅕- 1/7 of the mixed solution, or adding 6-12M hydrochloric acid with the volume of ⅓-⅕ of the mixed solution and 0.2-0.4 wt % ammonium monoacid phosphate of all raw materials, or adding 9-18M sulfuric acid with the volume of 1/10-⅕ of the mixed solution, well mixing, transferring the mixed solution into the hydrothermal reactor, reacting at 150-180° C. for 8-25 hours, washing, drying and getting the precursor, heating the precursor at 480-500° C. for more than 5 hours and obtaining the product is provided. |
