Identification and Quantification of Carbonate Species Using Rock-Eval Pyrolysis.

Abstract : This paper presents a new reliable and rapid method to characterise and quantify carbonates in solid samples based on monitoring the CO2 flux emitted by progressive thermal decomposition of carbonates during a programmed heating. The different peaks of destabilisation allow determining the different types of carbonates present in the analysed sample. The quantification of each peak gives the respective proportions of these different types of carbonates in the sample. In addition to the chosen procedure presented in this paper, using a standard Rock-Eval 6 pyrolyser, calibration characteristic profiles are also presented for the most common carbonates in nature. This method should allow different types of application for different disciplines, either academic or industrial.
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Daniel Pillot, Eric Deville, Alain Prinzhofer. Identification and Quantification of Carbonate Species Using Rock-Eval Pyrolysis.. Oil & Gas Science and Technology - Revue d'IFP Energies nouvelles, Institut Français du Pétrole, 2014, 69 (2), pp. 341-349. ⟨10.2516/ogst/2012036⟩. ⟨hal-00992196⟩

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