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This Technical Specification specifies a method to determine the amounts of dimethylformamide (DMFo) in footwear and footwear components containing polyurethane (PU) coated material. The sample is cut into small pieces and extracted with methanol in a sealed vial at 70 °C in an ultrasonic bath. An aliquot of the extract is analysed with GC-MS in SIM mode. This DIN SPEC is directed at footwear manufacturers and independent test laboratories. The committee responsible for this DIN SPEC is NA 062-04-52 AA "Schuhe" ("Footwear") at DIN.
This document has been replaced by: DIN EN ISO 16189:2022-03 .