Leather - Chemical tests - Quantitative analysis of tanning agents by filter method (ISO/DIS 14088/IUC 32:2009); German version prEN ISO 14088/IUC 32:2009
Leder - Chemische Prüfung - Quantitative Analyse von Gerbstoffen durch Filterverfahren (ISO/DIS 14088/IUC 32:2009); Deutsche Fassung prEN ISO 14088/IUC 32:2009