KS M ISO 2561-2013(2023) Plastics — Determination of residual styrene monomer in polystyrene(PS) and impact-resistant polystyrene(PS-I) by gas chromatography
2013KS M ISO 2561:2013 Plastics — Determination of residual styrene monomer in polystyrene(PS) and impact-resistant polystyrene(PS-I) by gas chromatography
2003KS M ISO 2561:2003 Plastics-Determination of residual styrene monomer in polystyrene(PS) and inpact-resistant polystyrene(PS-I) by gas chromatography