ARSENOUS ACID IONISATION IN AQUEOUS SOLUTIONS FROM 25 TO 300 °C

dc.contributor.author	Zakaznova-Herzog V.P.
dc.contributor.author	Seward T.M.
dc.contributor.author	Suleimenov O.M.
dc.date.accessioned	2024-09-28T07:10:24Z
dc.date.available	2024-09-28T07:10:24Z
dc.date.issued	2006
dc.identifier	https://www.elibrary.ru/item.asp?id=14442181
dc.identifier.citation	Geochimica et Cosmochimica Acta, 2006, 70, 8, 1928-1938
dc.identifier.issn	0016-7037
dc.identifier.uri	https://repository.geologyscience.ru/handle/123456789/45405
dc.description.abstract	The ultraviolet spectra of dilute, aqueous arsenic (III)-containing solutions have been measured from 25 to 300 °C at the saturated vapour pressure. From these measurements, the equilibrium constant was obtained for the reaction{A formula is presented}for which pK1 (arsenous acid) decreases from 9.25 to 7.11 over a temperature range from 25 to 300 °C. In addition, electrospray mass spectrometric measurements support the conclusion that the arsenous acid moeities in low density aqueous media are HAsO2 and AsO2-.
dc.title	ARSENOUS ACID IONISATION IN AQUEOUS SOLUTIONS FROM 25 TO 300 °C
dc.type	Статья
dc.identifier.doi	10.1016/j.gca.2006.01.014

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