Yttrium／Y　　

Yttrium is a common rare earth metal, it is one of very stable elements in the air and its composition property is similar to lanthanum. Among compounds of yttrium, yttrium oxide is the most important one, it has been used as phosphor or used to generate red color in color television sets.



　　TREO：80%　 　

Purity：99%-99.99%

化學式：

性質：白色粉末。

用途：製作激光材料轉為發光材料，氟化玻璃光導纖維和旋光玻璃。在照明光源中用於製成弧光燈炭電級，是電解製取金屬釔的原料。



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