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Dimethyldichlorsilane (DMDCS) reacts with active hydroxyl groups present on glass surface producing a deactivated layer. This ensures inert glassware used for sensitive compounds.
During the deactivation process, the reaction releases hydrogen chloride (HCl). So we strongly recommend to do this procedure in a fume hood.
This site includes technical information, hints and tips for your decisions, and recommendation for selecting right chromatography accessories.
The selection of suitable syring tip is mentioned in Hamilton catalogue. Please, ask for this catalogue.