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什么是鉛玻璃?
鉛(qian)(qian)(qian)玻(bo)(bo)(bo)(bo)(bo)璃(li)(li),是多(duo)種玻(bo)(bo)(bo)(bo)(bo)璃(li)(li),其(qi)中(zhong)鉛(qian)(qian)(qian)替代(dai)了典(dian)型鉀(jia)鹽玻(bo)(bo)(bo)(bo)(bo)璃(li)(li)中(zhong)的鈣含量(liang)(liang)。鉛(qian)(qian)(qian)玻(bo)(bo)(bo)(bo)(bo)璃(li)(li)通(tong)常包(bao)含18–40%(按(an)重量(liang)(liang)計)的氧化(hua)鉛(qian)(qian)(qian),而現(xian)代(dai)鉛(qian)(qian)(qian)玻(bo)(bo)(bo)(bo)(bo)璃(li)(li)(由于原始二氧化(hua)硅來源,歷史(shi)上也被稱(cheng)為fl石玻(bo)(bo)(bo)(bo)(bo)璃(li)(li))至少包(bao)含24%的PbO。鉛(qian)(qian)(qian)玻(bo)(bo)(bo)(bo)(bo)璃(li)(li)由于其(qi)透明性,經常需要用(yong)于多(duo)種用(yong)途。 從技(ji)術(shu)(shu)上講,術(shu)(shu)語鉛(qian)(qian)(qian)晶體并不是描述鉛(qian)(qian)(qian)玻(bo)(bo)(bo)(bo)(bo)璃(li)(li)的準確(que)術(shu)(shu)語,因(yin)為它是非晶態固體,玻(bo)(bo)(bo)(bo)(bo)璃(li)(li)缺乏(fa)晶體結構。出(chu)于歷史(shi)和商業原因(yin),術(shu)(shu)語鉛(qian)(qian)(qian)晶體的使用(yong)仍(reng)然很流行(xing)。