The present invention relates to a plastic reference material and a method of manufacturing the same, wherein the concentration of at least one chemical substance is characterized from a signal intensity of the chemical substance and a signal intensity of the isotope-labeled chemical substance of the chemical substance obtained using the pyrolysis GC-MS instrument by weighing a mass of a candidate material for the plastic reference material using a balance, weighing an isotope-labeled chemical substance of the chemical substance using a balance, preparing a mixed solution by dissolving the weighed candidate material for the plastic reference material and the weighed isotope-labeled chemical substance in a solvent, introducing a product resulting from evaporation of the solvent from the mixed solution into a pyrolysis GC-MS instrument, and calculating the concentration of the chemical substance included in the candidate material for the plastic reference material.
本发明涉及一种塑料参比材料及其制造方法,其中至少一种
化学物质的浓度是通过使用热解 GC-MS 仪器获得的
化学物质的信号强度和同位素标记的
化学物质的信号强度来表征的,热解 GC-MS 仪器是通过使用天平称量塑料参比材料的候选材料的质量来获得的、用天平称量
化学物质中同位素标记的
化学物质,将称量好的塑料参比材料的候选材料和称量好的同位素标记的
化学物质溶解在溶剂中,制备混合溶液,将混合溶液中溶剂蒸发产生的产物导入热解 GC-MS 仪器,计算塑料参比材料的候选材料中包含的
化学物质的浓度。