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Components on top of the injection port of GC systems that provide a leak-free seal between the atmosphere and carrier gas and minimize the introduction of contaminants; allow repeated sample injection without significant coring or leaking.
22-400 Open Top Screw Cap with PTFE Septum - Designed for reliable sealing in scientific applications, this cap provides convenient access for syringe sampling while preventing leakage and gas exchange. Ideal for volatile solvents and corrosive chemicals, it combines excellent chemical resistance with autoclavable features, differentiating it from standard caps. Its compatibility with various vials and bottles enhances usability across laboratory settings.
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