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Purpose：Used in making lithium tantalite crystal and lithium niobate crystal .alos employed in specific glass,ceramics,pharmaceutixals,catalysta etc. 用途:主要用於鉭酸鋰、鈮酸鋰單晶的郃成。還用於光學特種玻璃、搪瓷工業、毉葯、催化劑等。