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Overview ISO 4581:1994 specifies a gas chromatography (GC) method for determining residual acrylonitrile monomer in styrene/acrylonitrile (SAN) copolymers and blends. The main procedure dissolves a p…
Overview ISO 458-1:1985 establishes a general method for the determination of the stiffness in torsion of flexible plastic materials, especially at various temperatures including those below 0 °C. Th…