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Automating DNPH Derivatisation for Aldehyde and Ketone Analysis

Martin Perkins

10th June 2015


Airborne aldehydes and ketones are collected by passing air through a cartridge containing 2,4-dinitrophenylhydrazine (DNPH). Carbonyl compounds react with the DNPH to form derivatives in the form of hydrazones which are then immobilised on the cartridge.

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