Stable solid and aqueous H2CO3 from CO2 and H2O at high pressure and high temperature.

Sci Rep · 2016 · PMC4728613 · PMID 26813580

Europe PMC DOI

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highly significantno p-value reported

This is highly significant for speciation of deep C–O–H fluids with potential consequences for fluid-carbonate-bearing rock interactions.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.