陈国生,孔德明,邱梓惠,冯伟家,杨嘉雯

• 1:广东海洋大学海洋与气象学院
• 2:陆架及深远海气候资源与环境广东省高等学校重点实验室
• 3:广东海洋大学深圳研究院

摘要(Abstract)：

目的】研究洗脱溶剂极性对海洋沉积物中C_(37)和C_(38)烯酮的柱层析分离效果及对重建古海表温度的影响，探寻能完全洗脱长链烯酮而不引入过多杂质的洗脱溶剂配比。【方法】通过改变正己烷(H)与二氯甲烷(D)体积比来调节洗脱液极性，按极性从小到大对标准样品进行洗脱，并计算每种烯酮分子的洗脱量。【结果】当V_H∶V_D=8∶1时烯酮开始被洗脱出，到1∶2时可被完全洗脱。烯酮C_(38:2)Et最先被洗脱出，而C_(37:3)最后被洗脱出。各烯酮分子被洗脱量的峰值出现在不同极性的洗脱液，按极性排序为C_(38:2)Et

关键词(KeyWords)： 长链烯酮;海洋沉积物;柱层析;洗脱剂;硅胶柱

Abstract:

Keywords:

基金项目(Foundation): 国家重点研发计划课题(2018YFA0605601);; 国家自然科学基金(41606070);; 广东海洋大学科研启动经费资助项目(R17011)

作者(Author): 陈国生,孔德明,邱梓惠,冯伟家,杨嘉雯

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