Standard Operating Procedure for the analysis of trace elements in hydrothermal fluids by Inductively Coupled Plasma Mass Spectrometry (ICP-MS)

Published: Feb. 10, 2023

This SOP validates an inductively coupled plasma mass spectrometry (ICP-MS) procedure for the determination of biometals and trace elements in hydrothermal fluids sediments. Hydrothermal are aqueous solutions with a wide range temperature, salinity, pH that can be used by set microbial proteins containing redox-sensitive transition metals as their catalytic core. Due to high variability these samples, we have developed this protocol taking into account special features matrices analyzed. Our methods focus primarily on subset metals, Trace such Fe, Co, Ni, Mo, W, V Cu referred biometals, biology cofactors proteins. An ICP-MS 7900 Agilent system was used, calibration curves linear 0.01 100 μg/L concentration range.

Language: Английский

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Methane-hydrogen-rich fluid migration triggers seismic failure in subduction at forearc depths

Research Square (Research Square), Journal Year: 2023, Volume and Issue: unknown

Published: June 7, 2023

Abstract Metamorphic fluids and deformation zones are fundamental carriers of carbon from the deep Earth to shallower reservoirs. It is well established that water weakens rocks contributes trigger seismicity. Conversely, potential effects carbon-rich aqueous on deep-seated remain little studied. Some these may be reduced transport energy sources such as natural H 2 CH 4 . Mechanisms pathways capable towards reservoirs, where they used by microbial life in subsurface biosphere, unidentified. Here we present direct geological evidence seismic failure mechanically strong rock types due accumulation -H -rich at forearc depths, which ultimately reached supralithostatic pore fluid pressure. These originated adjacent reduction carbonates during serpentinization eclogite-to-blueschist-facies conditions. Thermodynamic modelling predicts production can produce overpressure much more easily than C-poor fluids, favourable CO ones. This study provides tangible for migration along tectonic discontinuities suggests causal relationships with brittle hard seismicity depths.

Language: Английский

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Standard operating procedure for the analysis of major ions in hydrothermal fluids by ion chromatography

Open Research Europe, Journal Year: 2023, Volume and Issue: 3, P. 94 - 94

Published: June 14, 2023

This standard operating procedure (SOP) describes an ion chromatography (IC) for the major cations and anions in hydrothermal fluids. Hydrothermal fluids are aqueous solutions with a wide range of temperature, salinity, pH species that can be used by microbial metabolism as electron donors acceptors. Due to high variability environmental physical-chemical parameters these samples, we have developed this protocol taking into account special features matrices analyzed. An Eco IC Metrohm system equipped conductivity detector was used. Calibration curves linear 0.1 10 mg/L concentration Ca2+, Na+, K+, Mg2+, NH4+ Cl-, Br-, NO3-, NO2-, SO42- , HPO42- .

Language: Английский

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Ironborn: Fe distribution in geothermal fluids and its influence on the biosphere

Goldschmidt Abstracts, Journal Year: 2023, Volume and Issue: unknown

Published: Jan. 1, 2023

Language: Английский

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