A method for preparing a phosphorus of europium-activated yttrium vanadate, characterized in that you understand to mix the following ingredients in dry pulverulent form in the indicated proportions: ** (See formula) ** where a is between 2 and 9, and b is between 5 and 30, heating said mixture in the air at temperatures between 1150 and 1350º C for between 1 and 4 hours, cooling said heated mixture to room temperature, and then washing said cooled mixture. (Machine-translation by Google Translate, not legally binding)
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