This part of ISO 17226 specifies a method for the determination of free and released formaldehyde in leathers.This method is based on high performance liquid chromatography (HPLC). It is selective and not sensitive to coloured extracts.
EN ISO 17226-1:2008 Referenced Document
ISO 2418 Leather — Chemical, physical, mechanical and fastness tests — Position and preparation of specimens for testing*， 2023-02-06 Update
ISO 3696:1987 Water for analytical laboratory use; Specification and test methods
ISO 4044 Leather — Chemical tests — Preparation of chemical test samples*， 2017-01-01 Update
ISO 4684 Leather — Chemical tests — Determination of volatile matter
EN ISO 17226-1:2008 history
2021EN ISO 17226-1:2021 Leather - Chemical determination of formaldehyde content - Part 1: Method using high-performance liquid chromatography (ISO 17226-1:2021)
2019EN ISO 17226-1:2019 Leather - Chemical determination of formaldehyde content - Part 1: Method using high performance liquid chromatography
2008EN ISO 17226-1:2008 Leather - Chemical determination of formaldehyde content - Part 1: Method using high performance liquid chromatography
EN ISO 17226-1:2008 Leather - Chemical determination of formaldehyde content - Part 1: Method using high performance liquid chromatography was changed to EN ISO 17226-2:2008 Leather - Chemical determination of formaldehyde content - Part 2: Method using colorimetric analysis (Incorporating corrigendum April 2009).