Sample Pretreatment - Hitachi PRIMAIDE 1440 Instruction Manual

3.7.4 Sample pretreatment

(1) Filter samples without fail if they may contain fine dust.
Dust can clog column and deteriorate it.
(2) Remove foreign matter from samples without fail.
Foreign matter can lower the reliability of data, e.g.
generating abnormal peaks etc.
(a) Example of filtering samples
Dust in sample can be removed easily as follows.
Take sample in Syringe, attach cartridge type
0.45 µm membrane filter, and perform filtering. See
the figure left.
NOTE:There are various ways for filtering sample.
Filtering sample in the way suitable for the
sample amount.
3 - 64
Filtering by cartridge type
0.45 µm membrane filter.
Filtered clean
sample