VWR Grade 415 Filter Paper, Qualitative, Crepe 28320-041 $2.00 Off

For qualitative procedures in which a pre-filter, such as pre-filtration, may not be practical. A pre-filter may be necessary for the clarification of coarse particles which may be too difficult or messy to filter out with a conventional funnel. Preferably, a pre-filter is necessary for the clarification of coarse particles which may be too messy or difficult to filter out. For instance, some buffers or precipitates may be too messy for filtration with a conventional filter paper. A pre-filter is necessary for the clarification of coarse particles that may be too messy to be filtered out with a conventional filter paper. Fine-particle filtration may be necessary depending upon the application.

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