Abstract
AbstractA new phenyl‐cyanopropyl polymethylsiloxane stationary phase, DB‐1301, which can be crosslinked and bonded to the fused silica surface, has been synthesized. The phase composition was optimized for the separation of 18 volatile priority pollutants, selected from the so‐called “purgables” list because of problems associated with their resolution. The composition of the stationary phase was based on theoretical considerations of binary phase mixtures and window diagram prediction. Columns coated with this stationary phase are compatible with atom selective detectors, such as the electron capture detector. A mixture of 18 volatile priority pollutants and a mixture of chlorinated pesticides were used as test probes on a prototype 30 m × 0.32 mm fused silica column, containing a 1.0 μm film of DB‐1301.
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