Sinter Filters for Mobile Phase Inlet Lines

Stainless Steel, 10u, LA4170/10 £19.95 each
PTFE, 20u LA4175/20 £19.95 each

The sinter filter is designed to protect the HPLC system from particles in the mobile phase. Eventually it will block. The symptom of a blocked filter are cavitation in the solvent lines (air bubbles forming when no air is seen to enter the filter). This results from the suction of the pump being unable to draw solvent through the filter fast enough and hence the reduced pressure draws air out of the solution.

Some sinter filters fit by pushing the stem inside the 1/8" solvent line. Other screw on using a flangeless fitting. We recommend the latter type.

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Click here for a brief guide to HPLC fittings

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