选用SE54型毛细管柱、氢火焰离子化检测器，以三氯代苯为内标物，采用较低的柱温，使内标物与TDI更好地分离，减少了副反应的发生。
The TDI and internal standard chemicals can be separated better and the side reaction is reduced at lower column temperature by use of SE54 capillary column and FID detector.
选用SE54型毛细管柱、氢火焰离子化检测器，以三氯代苯为内标物，采用较低的柱温，使内标物与TDI更好地分离，减少了副反应的发生。
The TDI and internal standard chemicals can be separated better and the side reaction is reduced at lower column temperature by use of SE54 capillary column and FID detector.
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