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Expanded GC Column Line Resists Oxidation
Booth 4415. In addition to the 007-5MS column type, two new phases have been added to the GC capillary column line, the 007-1MS and 007-17MS. The “MS” column line utilizes stationary phases based on an arylene/siloxane copolymer backbone. These types of columns resist oxidation, resulting in reduced thermal degradation, or column bleed. With the incorporation of optimal starting materials and controlling of the arylene/siloxane segment ratio, the synthesized phases closely resemble traditional methyl siloxane (007-1MS) and methyl/phenyl siloxane (007-17MS) phase types. McReynold’s contants and Kovat’s retention indices are used to determine the overall selectivity of the stationary phase. These values are used as benchmarks in the synthesis process to ensure the phases closely resemble traditional polymers.
Quadrex Corp.
P.O. Box 3881
Woodbridge, CT, 06525
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