Interactions between AuCl4 − and CTA+ ions in water

Autor:	Hiroyuki Aoki, Michiko Kodama, Makoto Takezaki, Toshihiro Tominaga
Rok vydání:	2010
Předmět:	symbols.namesake Chemistry Inorganic chemistry Enthalpy symbols Thermodynamics Isothermal titration calorimetry Physical and Theoretical Chemistry Solubility Condensed Matter Physics Ion Van 't Hoff equation
Zdroj:	Journal of Thermal Analysis and Calorimetry. 101:1149-1153
ISSN:	1572-8943 1388-6150
DOI:	10.1007/s10973-009-0659-2
Popis:	The solubility of hexadecyltrimethylammonium tetrachloroaurate (CTA·AuCl4) in water was measured at different temperatures of 288.2, 293.2, 298.2, 303.2, and 308.2 K. The enthalpy change associated with the formation of the CTA·AuCl4 precipitate was estimated on the basis of the van’t Hoff equation and was found to be −42.5 ± 2.8 kJ mol−1 at 298.2 K. The calorimetric enthalpy change for the CTA·AuCl4 precipitate formation was directly determined by isothermal titration calorimetry performed at 298.2 K and was found to agree well with that estimated from the van’t Hoff equation.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::ac80a5c4ce5efa60fd38ca13385efecd https://doi.org/10.1007/s10973-009-0659-2 Zobrazit plný text záznamu Plný text ve formátu PDF