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Troubleshooting Leaks in HPLC

Leaks are usually stopped by tightening or replacing a fitting. Be aware, however, that overtightened metal compression fittings can leak and plastic finger tights can wear out. If a fitting leak does not stop when the fitting is tightened a little, take the fitting apart and inspect for damage (e.g. distorted ferrule, or particles on the sealing surface); damaged fittings should be discarded.

Leaky Fittings

Leaks at Pump

Injector Leaks

Column Leaks

Detector Leaks

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