Abstract

In quantitative infrared spectrophotometric analysis, distillation method should be used at the same time.In this report, discussions-are given of the optimum instrumental analytical conditions and the method for linearizing aromatic absorptivities.The results are summarized as follows;1.Accuracy of the quantitative determinations of toluene and C9 aromatics in Udex grade mixed xylenes is within±1.0%in error.2.Accuracy of the quantitative determination of C6-8 aromatic hydrocarbons is within+1.0%in error.

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