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

Date

2024-01-01

Author

Correggia, Monica
Di Iorio, Luciano
Bastianoni, Alessia Benedicta
Yücel, Mustafa
Cordone, Angelina
Giovannelli, Donato

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This standard operating procedure (SOP) describes an ion chromatography (IC) procedure for the major cations and anions in hydrothermal fluids. Hydrothermal fluids are aqueous solutions with a wide range of temperature, salinity, pH and ion species that can be used by microbial metabolism as electron donors and electron acceptors. Due to the high variability of the environmental physical-chemical parameters in these samples, we have developed this protocol taking into account the special features of the matrices analyzed. An Eco IC Metrohm system equipped with a conductivity detector was used. Calibration curves are linear in the 0.1 to 10 mg/L concentration range for cations Ca 2+, Na +, K +, Mg 2+, NH 4+ and anions Cl -, Br -, NO 3-, NO 2-, SO 42-, PO 43-.

Subject Keywords

aqueous geochemistry, hydrothermal fluids, ion chromatography, major ions, Standard Operating Procedure

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https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85203555540&origin=inward
https://hdl.handle.net/11511/111228

Collections

Graduate School of Marine Sciences, Article