期盼奇迹的孩子
第3楼2017/09/15
标准中针对不可溶的样品
7.2 f)Separate the organic phase from the vessel using a separatory funnel (5.2 m)) and
discard it. The aqueous phase is filtered through a 0,45 μm membrane filter (5.2 n)).
Rinse the digestion vessel (5.2 p)) three times with water (4.2 p)) and filter. If the filter
becomes clogged using the 0,45 μm membrane filter; a large pore size filter paper may be
used to filter the samples.