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Whatman 2200-110 1PS Phase Separator Filter Paper, 110mm Diameter (Pack of 100)

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$69.95

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  • Diameter: 110mm
  • Impregnated with a stabilized silicone that renders it hydrophobic, retaining the aqueous phase and passing the solvent phase through
  • Extremely rapid separation; automatically cuts off as soon as the solvent phase has passed through (note: water may break through upon prolonged standing)
  • Any number of separations can be processed together
  • Staff involvement in routine separations is at a minimum; no special training required


Whatman 1PS phase separator filter paper is impregnated with a stabilized silicone that renders it hydrophobic, retaining the aqueous phase and passing the solvent phase through. After being shaken, the mixed phases are simply poured directly into the phase separatory filter which is quadrant-folded in a funnel. The separation is extremely rapid so it is unnecessary to wait until the two phases have settled into separate layers. Droplets are automatically separated after only a few moments, giving a solvent phase completely free of the aqueous phase. Diameter: 110mm. 100/Pack. Whatman #: 2200-110.