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Cold-seal hydrothermal apparatus

Cold-seal system

machine specifications:

  • Pressure up to 1kb or little more, temperature up to 600C or little bit higher.
  • Internal diameter of the vessel: 8mm
  • Pump can be operated up to 2 kb.
  • Two vessels can be used simultaneously.
  • Currently no quenching device available.


  • For hydrothermal experiments in general.
  • For synthesis of hydrous phases, phase equilibrium, water-rock interaction, geobiology etc.
  • Can be used as Cold Isostatic Press (CIP) to make polycrystalline rods which are starting materials for single crystal growth in the floating zone furnace

person(s) whom users should contact: Masami Kanzaki.