SN/T 2889-2011
出口食品接触材料.高分子材料.聚苯乙烯中甲苯、乙苯、丙苯、异丙苯、苯乙烯、总挥发性物质的测定气相色谱法
Food contact materials for export.Polymers.Determination of toluene ethylbenzene propylbenzene isopropylbenzene styrene and total volatile substances in polystyrene.Gas chromatography method