Before you go through anothercolumn,it pays to go through Whatman. If you're not using the right sample prep with your HPLC system, you could be wasting valuable time and money. That's why it pays to go through the Whatman Sample Prep System. Whatman sample prep filters help yield purer filtrates, to ensure reproducible results-which means less repeat testing for you and more life for your column. The Whatman Sample Prep System includes: Puradisc™25 (AS/TF/PP)-Syringe-tip filters are available with various membranes to help avoid generation of extractables: polysulfone, for aqueous applications (Puradisc 25 AS); PTFE, for solvent-based applications (Puradisc 25 TF); and polypropylene, for solvent/aqueous applications (Puradisc 25 PP). SPEC-The only solid-phase extraction device that contains an integral 0.2 micron polypropylene membrane to eliminate the need for secondary filtration. Solvent and Aqueous IFD™ -The only filter device that filters and degasses mobile phases in-line to save time and extend the life of the HPLC column. So before you go through another HPLC column, go through Whatman. Contact Whatman Inc. for more information on receiving a FREE column.
Solvent and Aqueous IFD™ SPEC
Puradisc™ 25 (ASATF/PP)
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