牙形石的分离方法简介SUMMARY OF APPROACHES FOR CONODONT SEPARATION
江海水,罗根明,赖旭龙
摘要(Abstract)：
在简述牙形石的一般分离方法的基础上,重点介绍了用三溴甲烷和丙酮配制的重液来分离牙形石的实验装置、操作流程、注意事项以及重液的回收再利用;建议将重液的密度配制为2.80～2.81g/mL,这样可有效地分离出牙形石,采用自然蒸发法回收重液,处理50g样品仅损耗5mL的重液;对几种国际上曾经或正在使用的杜列液、M-45及多钨酸钠等重液的优缺点进行了简要阐述。
关键词(KeyWords)： 牙形石;重液分离;三溴甲烷
基金项目(Foundation): 国家自然科学基金重点资助项目(40232025)
作者(Author): 江海水,罗根明,赖旭龙
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参考文献(References)：
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