This International Standard specifies a method for determining Chromium(VI) in solutions leached from leather under defined conditions. The method described is suitable to quantify the chromium VI content in leathers down to 3 mg/kg. This document is applicable to all leather types. The results obtained from this method are strictly dependent on the extraction conditions. Results obtained by using other extraction procedures (extraction solution, pH, extraction time, etc.) are not comparable with the results produced by the procedure described in this standard.