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Thermal stability analysis, experimental conductivity and pH of phosphonium-based deep eutectic solvents and their prediction by a new empirical equation

Deep eutectic solvents (DESs) are derived from two or more salts as the hydrogen bond acceptors (HBAs) and hydrogen bond donors (HBDs). Because of many unique features, DESs can be a versatile alternative to ionic liquids and traditional solvents. In this work, DESs were prepared namely allyltriphen...

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Main Authors: Ghaedi, H., Ayoub, M., Sufian, S., Hailegiorgis, S.M., Murshid, G., Khan, S.N.
Format: Article
Published: Academic Press 2018
Online Access:https://www.scopus.com/inward/record.uri?eid=2-s2.0-85028599024&doi=10.1016%2fj.jct.2017.08.029&partnerID=40&md5=84a3d8121ffadf59459ead44499f79f5
http://eprints.utp.edu.my/21336/
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spelling my.utp.eprints.213362018-09-25T06:37:52Z Thermal stability analysis, experimental conductivity and pH of phosphonium-based deep eutectic solvents and their prediction by a new empirical equation Ghaedi, H. Ayoub, M. Sufian, S. Hailegiorgis, S.M. Murshid, G. Khan, S.N. Deep eutectic solvents (DESs) are derived from two or more salts as the hydrogen bond acceptors (HBAs) and hydrogen bond donors (HBDs). Because of many unique features, DESs can be a versatile alternative to ionic liquids and traditional solvents. In this work, DESs were prepared namely allyltriphenylphosphonium bromide-diethylene glycol (ATPPB-DEG) and allyltriphenylphosphonium bromide-triethylene glycol (ATPPB-TEG) into three mole ratios 1:4, 1:10, and 1:16 salt to HBDs. The thermal stability was comprehensively analysed under the temperature range of (30�800) °C. The conductivity and pH values were determined within the temperature range of 293.15 K�343.15 K. The results revealed that the amount and type of HBDs have an effect on these properties. Moreover, the effect of temperature was studied on these properties. As the temperature increases, the conductivity values increase while the pH values decrease. Finally, a new empirical equation was applied to correlate the experimental conductivity and pH data. It was found that this equation is powerful and reliable to correlate these properties of DESs. © 2017 Elsevier Ltd Academic Press 2018 Article NonPeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-85028599024&doi=10.1016%2fj.jct.2017.08.029&partnerID=40&md5=84a3d8121ffadf59459ead44499f79f5 Ghaedi, H. and Ayoub, M. and Sufian, S. and Hailegiorgis, S.M. and Murshid, G. and Khan, S.N. (2018) Thermal stability analysis, experimental conductivity and pH of phosphonium-based deep eutectic solvents and their prediction by a new empirical equation. Journal of Chemical Thermodynamics, 116 . pp. 50-60. http://eprints.utp.edu.my/21336/
institution Universiti Teknologi Petronas
building UTP Resource Centre
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Petronas
content_source UTP Institutional Repository
url_provider http://eprints.utp.edu.my/
description Deep eutectic solvents (DESs) are derived from two or more salts as the hydrogen bond acceptors (HBAs) and hydrogen bond donors (HBDs). Because of many unique features, DESs can be a versatile alternative to ionic liquids and traditional solvents. In this work, DESs were prepared namely allyltriphenylphosphonium bromide-diethylene glycol (ATPPB-DEG) and allyltriphenylphosphonium bromide-triethylene glycol (ATPPB-TEG) into three mole ratios 1:4, 1:10, and 1:16 salt to HBDs. The thermal stability was comprehensively analysed under the temperature range of (30�800) °C. The conductivity and pH values were determined within the temperature range of 293.15 K�343.15 K. The results revealed that the amount and type of HBDs have an effect on these properties. Moreover, the effect of temperature was studied on these properties. As the temperature increases, the conductivity values increase while the pH values decrease. Finally, a new empirical equation was applied to correlate the experimental conductivity and pH data. It was found that this equation is powerful and reliable to correlate these properties of DESs. © 2017 Elsevier Ltd
format Article
author Ghaedi, H.
Ayoub, M.
Sufian, S.
Hailegiorgis, S.M.
Murshid, G.
Khan, S.N.
spellingShingle Ghaedi, H.
Ayoub, M.
Sufian, S.
Hailegiorgis, S.M.
Murshid, G.
Khan, S.N.
Thermal stability analysis, experimental conductivity and pH of phosphonium-based deep eutectic solvents and their prediction by a new empirical equation
author_facet Ghaedi, H.
Ayoub, M.
Sufian, S.
Hailegiorgis, S.M.
Murshid, G.
Khan, S.N.
author_sort Ghaedi, H.
title Thermal stability analysis, experimental conductivity and pH of phosphonium-based deep eutectic solvents and their prediction by a new empirical equation
title_short Thermal stability analysis, experimental conductivity and pH of phosphonium-based deep eutectic solvents and their prediction by a new empirical equation
title_full Thermal stability analysis, experimental conductivity and pH of phosphonium-based deep eutectic solvents and their prediction by a new empirical equation
title_fullStr Thermal stability analysis, experimental conductivity and pH of phosphonium-based deep eutectic solvents and their prediction by a new empirical equation
title_full_unstemmed Thermal stability analysis, experimental conductivity and pH of phosphonium-based deep eutectic solvents and their prediction by a new empirical equation
title_sort thermal stability analysis, experimental conductivity and ph of phosphonium-based deep eutectic solvents and their prediction by a new empirical equation
publisher Academic Press
publishDate 2018
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-85028599024&doi=10.1016%2fj.jct.2017.08.029&partnerID=40&md5=84a3d8121ffadf59459ead44499f79f5
http://eprints.utp.edu.my/21336/
_version_ 1738656274988400640
score 13.211869

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