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Quadrex
Quadrex GC Column Quadrex 007-CW, 30 m x 0.25 mm ID, 0.5 μm film
007-CW and BTR-CW are the Quadrex designations for an ethylene glycol/siloxane copolymer. This polymer can be used to sever compounds at temperatures not normally associated with polyethylene glycol (PEG, Carbowax TM) phases. This phase extends both the lower and upper temperature limits of conventional Carbowax type columns. In addition, Quadrex offers a modified version of the 007-CW phase called the BTR-CW that includes an antioxidant moiety to better resist oxygen degradation. The BTR-CW phase offers increased thermal stability and longer column lifetimes. See below for more information. Due to the hydrogen bonding interactions of the 007-CW and BTR-CW phases, they are well suited for the analysis of polar compounds such as solvents, flavors, perfumes and essential oils. These phases are not recommended for analysis of mixtures containing silylation reagents.Show more
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- Business & Industrial > Science & Laboratory > Laboratory Supplies
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