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Sample Adsorption in Liquid Chromatography Injection Valves

When fixed-volume injections produce variable peak sizes, sample adsorption may be the cause.

Keywords: case study, precision problems, sample solvent, sample adsorption, injection valves, autosamplers, loop overfill, PEEK, stainless steel, sample degradation

LC-GC 9(1) 22-26 (1991)

John W. Dolan