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The establishment of EVISA is funded by the EU through the Fifth Framework Programme (G7RT- CT- 2002- 05112).

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column bleed

The normal background signal issuing from the chromatography column that reaches the detector in the absence of analyte. It results from the breakdown of the stationary phase. In practice, the total signal reaching the detector is often attributed to column bleed but it may also contain signals from the injector, detector and other components.


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