18mm 20ml Screw Headspace Vial
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18mm 20ml Screw Headspace Vial

The material of Headspace Vials is low extractable Borosilicate glass with a low expansion rate, high-temperature resistance, high strength, high hardness, high light transmittance, and high chemic...
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The material of Headspace Vials is low extractable Borosilicate glass with a low expansion rate, high-temperature resistance, high strength, high hardness, high light transmittance, and high chemical stability. Headspace Vials are suitable for headspace analysis of volatile solids and gases.
  • Type 1 borosilicate glass
  • Amber glass vials with an 18mm screw seal finish are designed to fit most headspace autosamplers
  • Flat bottom vials maximize heating efficiency when used with bottom
  • Round bottom vials are more easily handled by robotic arms that lift the vial from the tray
  • Round bottom vials distribute the internal pressure created at high temperatures across the glass surface
  • The beveled edge finish features a sturdy rim that presses into the septum for a more effective seal
  • Flat bottom vials feature a longer neck for fit with Carlo Erba™ and Aijiren™ units
  • Round bottom vials are designed for Perkin Elmer™, Tekmar™, and Varian™ units
20ml 18mm magnetic screw thread vial with caps
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