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Chinese Journal of High Pressure Physics  > 2004  >  18(1): 78-82 .
ZHENG Hai-Fei, SUN Qiang, ZHAO Jin, DUAN Ti-Yu. Comment on the Pressure Gauge for the Experiments at High Temperature and High Pressure with DAC[J]. Chinese Journal of High Pressure Physics, 2004, 18(1): 78-82 . doi: 10.11858/gywlxb.2004.01.014
Citation: ZHENG Hai-Fei, SUN Qiang, ZHAO Jin, DUAN Ti-Yu. Comment on the Pressure Gauge for the Experiments at High Temperature and High Pressure with DAC[J]. Chinese Journal of High Pressure Physics, 2004, 18(1): 78-82 . doi: 10.11858/gywlxb.2004.01.014
shu

Comment on the Pressure Gauge for the Experiments at High Temperature and High Pressure with DAC

doi: 10.11858/gywlxb.2004.01.014

  • Key Laboratory of Orogenic Belts and Crustal Evolution, Ministry of Education and Department of Geology, Peking University, Beijing 100871, China

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  • Corresponding author: ZHENG Hai-Fei
  • Received Date: 16 Jan 2003
  • Rev Recd Date: 30 Mar 2003
  • Publish Date: 05 Mar 2004
    Abstract
  • As a pressure gauge, Ruby is the most common and wildly used mineral for determining pressure in DAC experiments, but it has difficulty in such an experiment that simultaneously contains high temperature and water. Quartz is a new mineral proposed recently as a pressure gauge and it can be used with the system containing water, however it is limited at the pressure p2.0 GPa and the temperature T600 ℃. On the other hand, equation of state (EOS) of material is much reliable for determining the pressure in the experimental studies with DAC, but it is inconvenient and limited by the condition of instrument. For example, EOS of water is useful if the system is aqueous solution and no mineral can be used as a pressure gauge in order to avoid any interaction. Therefore, comments and suggestions have been addressed in this manuscript.

     

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