Summary
A polysiloxane with 33% phenyl substitution, OV-61, and mixtures of this phase and SE-54 were coated on deactivated fused silica or borosilicate glass capillaries, using diphenyltetramethyldisilazane (DPTMDS) for high temperature silylation. Film stability was achieved also without crosslinking agents such as azo-tert-butane, thus avoiding the activity introduced by such treatment. Columns were stable up to 350°C.
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Ahnoff, M., Johansson, L. Preparation and evaluation of capillary columns with phases with 5–33% phenyl substitution. Chromatographia 19, 151–154 (1984). https://doi.org/10.1007/BF02687731
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DOI: https://doi.org/10.1007/BF02687731