The separation of diisopropylnaphthalenes was reinvestigated. The application of GCxGC appears to be a clear and necessary improvement over the use of single column techniques, with a polar (CP-Wax-52) column as reference technique, and a non-polar (CP-Sil-8) column as an alternative. Both qualitative and quantitative separations of DIPN isomers showed to be superior on GCxGC. The composition of both a DIPN mixture resulting from a typical experiment with a zeolite catalyst and a commercial one could be quantitatively determined in this way.
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| http://dx.doi.org/10.1016/j.chroma.2009.07.006 | DOI Listing |
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