金刚石压腔高温高压实验的压力标定方法及其现状

郑海飞; 孙樯; 赵金; 段体玉

doi:10.11858/gywlxb.2004.01.014

金刚石压腔高温高压实验的压力标定方法及其现状

doi: 10.11858/gywlxb.2004.01.014

北京大学造山带与地壳演化教育部重点实验室和地质学系，北京 100871

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通讯作者:
郑海飞

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出版历程
- 收稿日期: 2003-01-16
- 修回日期: 2003-03-30
- 发布日期: 2004-03-05

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

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

摘要

摘要: 介绍和评论了金刚石压腔中进行高温高压实验时的压力标定方法及其应用条件。其中红宝石和石英压标具有较高的准确度和精度，但前者不适合于高温和含饱和水条件下的标定，且在较低压力下误差较大，后者可用于高温且含水体系的压力标定，但仅适于低于2.0 GPa时的压力标定。矿物状态方程是较可靠的方法，但不方便且受条件限制。采用水的状态方程进行压力标定，可以解决压腔中不允许有压标矿物的问题，但在实验过程中要求压腔的体积保持恒定。因此，在采用金刚石压腔进行高温高压实验时，应根据研究需要决定合适的压力标定方法，而且寻找新的压力标定方法仍是金刚石压腔高压实验的基础工作。
- 红宝石 /
- 石英 /
- 水 /
- 状态方程 /
- 压力标定
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.
- ruby /
- quartz /
- water /
- EOS /
- pressure gauge

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参考文献(17)

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