Liquid Carbon Dioxide Co2 In Quartz Ampoule Supercritical Demonstration

US $150.00

  • Zurich, Switzerland
  • Jan 30th
Auction is for one sample of carbon dioxide  sealed in a quartz ampoule embedded in acrylic resin At room temperature it look as a liquid with very low surface tension (notice almost flat meniscus!)  But if you heat the sample in the warm water (40-45C is enough, don't use boiling water!) the liquid is disappear and tun to supercritical fluid. All samples ampules tested by heating up to 100C but it's better to keep sample below 50C. Ampoule OD - 4 mm, ID - 2 mm, length - 26 mm Calculated burst pressure ca 200 bar (but all ampoules tested by heating up to high temperature for test purpose.) Pressure  inside ampule - ca 54 bar at room temperature CO2 - 3-50 mg Cylinder OD - ca 25 mm, length - ca 40 mm Worldwide registered priority shipping - $10 I accept one week moneyback if you are not happy with this purchase for any reason! I combine shipping of all my items!

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