Resumen
This document specifies a thermal pre-ageing procedure for leather to obtain indications about the tendency to the formation of hexavalent chromium under specified conditions and the determination of hexavalent chromium according to ISO 17075‑1 or ISO 17075‑2.
This thermal pre-ageing procedure does not simulate any real condition in leather production or use.
It is applicable to all types of chromium tanned leather.