Towards a Non-Biased Formaldehyde Quantification in Leather: New Derivatization Conditions before HPLC Analysis of 2,4-Dinitrophenylhydrazine Derivatives

Towards a Non-Biased Formaldehyde Quantification in Leather: New Derivatization Conditions before HPLC Analysis of 2,4-Dinitrophenylhydrazine Derivatives

In leathers, formaldehyde is currently analyzed according to EN ISO 17226-1 standard, by reversed phase liquid chromatography after off-line precolumn derivatization with 2,4 dinitrophenylhydrazine (DNPH) in strong acidic conditions. We first demonstrate that this standard is not adapted to leather...

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Bibliographic Details
Main Authors: Caroline Bourgeois, Nicolas Blanc, Jean-Claude Cannot, Claire Demesmay
Format: Article
Language:English
Published: MDPI AG 2020-12-01
Series:Molecules
Subjects:
formaldehyde
leather
derivatization
DNPH derivatives
liquid chromatography
Online Access:https://www.mdpi.com/1420-3049/25/23/5765

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