DIN 54439:2018 纺织品 聚丙烯腈、聚氨酯和芳族聚酰胺纤维的人造纤维中 NN-二甲基乙酰胺(DMAc)和 N,N-二甲基甲酰胺(DMF)的测定方法
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