Chlorophyll concentration in three subfractions at bottle station SEPT-1999-K6

Separate filtration through polycarbonate Millipore filters having porosities 0.2 (total stock), 1.2 and 3.0µm.

使用孔径分别为0.2μm（总原液过滤用）、1.2μm及3.0μm的密理博（Millipore）聚碳酸酯滤膜进行分级过滤。