This checking method is reliable and realizable, and can be used to create a standard component of PMU.
该方法可靠，实现难度小，可以作为P MU的标准环节。
Methods: auto - injection using external standard headspace method, which make the component can be separated at the nonpolar elastic capillary column, the result is good.
方法：采用外标法顶空自动进样，在非极性弹性毛细管柱上进行分离，效果良好。
The results of component content in NEPE binder obtained with NIR method is in accord with that with standard method. The difference between these two methods is less than 1%.
近红外光谱法快速测定NEPE胶组分含量的结果与标准分析方法的测定结果一致，两者相差小于1%；
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