Water purification solutions - Prehrambeno-tehnološki fakultet Osijek
Water purification solutions - Prehrambeno-tehnološki fakultet Osijek
Water purification solutions - Prehrambeno-tehnološki fakultet Osijek
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<strong>Water</strong> contaminants:<br />
Summary of effects on HPLC performance<br />
Contaminants<br />
Effects on HPLC<br />
Improper check valve operation<br />
Particles<br />
Damage to pump and injector<br />
Plugging of frits and column<br />
Organics<br />
Ions<br />
Bacteria<br />
Ghost peaks<br />
Increased background noise<br />
Drifting baselines<br />
Some ions absorb in the UV range (e.g., NO 3- , NO 2- )<br />
With MS detectors: Na + , K + adduct peaks<br />
Plugging of frits and columns<br />
Ghost peaks