Purity：99.99%

White powder

1. Optoelectronic materials, production of laser materials for light-emitting materials, fluorinated glass photoconductive fibers, and spun glass.

2. Carbon electrodes for lighting sources, raw materials for electrolysis of metal yttrium, surface treatment materials, vacuum coating materials, and optical coating materials.

3. Used in micrographic equipment or other plasma etching machines.

4. It can be used as solid electrolyte coating for high fuel cell and electrode coating for high temperature fuel cell,
   Electrolyte coating for oxygen-sensitive sensors, electrode coating for oxygen-sensitive sensors

80%

Insoluble in water, insoluble in hydrochloric acid, nitric acid and sulfuric acid, but soluble in perchloric acid.

13709-49-4