叶绿素是海洋生态学调查中必不可少的检测项目，也是反映浮游植物生物量乃至初级生产力水平的最简便而有效的指标。叶绿素测定的关键环节在于将叶绿素从细胞中有效地提取出来，因而选择适当的萃取剂是致关重要的。以往报道的萃取剂有；乙醇、乙酸、两酮等。其中，以丙酮最为常 Chlorophyll is an indispensable test item in marine ecology investigation and the easiest and most effective indicator to reflect phytoplankton biomass as well as primary productivity. A key part of the chlorophyll determination is the efficient extraction of chlorophyll from the cells, so choosing the right extractant is of paramount importance. Previous reports of the extractant; ethanol, acetic acid, two ketones and so on. Among them, the most common acetone