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The FocusLiner™ is the first liner in the world to secure quartz wool by means of a tapering above and below the wool. This ensures the wool remains in the correct position to wipe the needle tip during injection. Reproducibility is greatly improved with chromatographers reporting Relative Standard Deviations (RSD's) of between 0.3 and 0.7%.
The new Fast FocusLiner™ has a narrow ID (<2.5 mm) making it ideal to be used with Fast Capillary Columns (0.1 mm ID).
If you are interested in this liner, you can select the right one for your GC in the product catalogue.