Leather, Chemical analysis and testing, Determination of content, Formaldehyde, Photometry (chemical analysis), Aqueous extraction methods, Extraction methods of analysis
Title in French
Cuir. Dosage chimique du formaldhyde. Mthode par analyse colorimtrique
Title in German
Leder. Chemische Prfungen. Bestimmung des Formaldehydgehalts in Leder durch kolorimetrische Analyse