and silver cap w natural GC septa
2023-02-03
20 mm Headspace Vials, Septum, and Caps – Thermo Fisher
网页Silver Description 20mm Crimp Cap, 9.5mm hole Diameter (Metric) Opening 20 mm Diameter (Metric) Inner 20 mm Color Blue, Silver Material PTFE, Silicone, Aluminum
20 mm Crimp Top Aluminum Silver Cap – B0104244 | PerkinElmer
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For sealing sample vials for temperatures up to 220°C. Very low background peaks, very low permeability, not usable for repetitive injections from the same vial.
2015-2016 Chromatography Cata...