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Abstract
In this chapter, we describe the hydrothermal diamond-anvil cell (HDAC), which is specifically designed for experiments on systems with aqueous fluids to temperatures up to ~1000ºC and pressures up to a few GPa to tens of GPa. This cell permits optical observation of the sample and the in situ determination of properties by ‘photon-in photon-out’ techniques such as Raman spectroscopy. Several methods for pressure measurement are discussed in detail including the Raman spectroscopic pressure sensors a-quartz, berlinite, zircon, cubic boron nitride (c-BN), and 13C-diamond, the fluorescence sensors ruby (α-Al2O3:Cr3+), Sm:YAG (Y3Al5O12:Sm3+) and SrB4O7:Sm2+, and measurements of phase-transition temperatures. Furthermore, we give an overview of published Raman spectroscopic studies of geological fluids to high pressures and temperatures, in which diamond anvil cells were applied.
| Publication type | Book chapter |
|---|---|
| Publication Subtype | Book Chapter |
| Title | Chapter 7: The hydrothermal diamond anvil cell (HDAC) for Raman spectroscopic studies of geological fluids at high pressures and temperatures |
| Volume | 12 |
| Year Published | 2012 |
| Language | English |
| Publisher | Mineralogical Society |
| Contributing office(s) | Eastern Mineral and Environmental Resources Science Center |
| Description | 35 p. |
| Larger Work Type | Book |
| Larger Work Subtype | Other Government Series |
| Larger Work Title | Applications of Raman spectroscopy to Earth sciences and cultural heritage (EMU Notes in Mineralogy) |
| Google Analytic Metrics | Metrics page |