DIN 54439 Textiles - Methods for the determination of N-N-dimethylacetamide (DMAc) and N,N-dimethylformamide (DMF) in man-made fibres of polyacrylonitrile, polyurethane and aromatic polyamide fibres

standard by Deutsches Institut Fur Normung E.V. (German National Standard), 03/01/2018