Interaction between polyoxyethylene nonyl phenyl ether (n=9) and gold (III) ion in the adsorbed film and micelle

Kanda Wongwailikhit, Patarapan Prasassarakich, Takanori Takiue, Hiroki Matsubara, Makoto Aratono

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

A thermodynamic method was employed to analyze the surface tension data for studying the adsorption at the interface and micelle formation of an aqueous solution of polyoxyethylene nonyl phenyl ether having an average of nine oxyethylene units (PONPE-9) and that of PONPE-9 and gold (III) ion mixtures at pH 3, 7, and 10. The results suggested the existence of attractive interaction between PONPE-9 and gold in the adsorbed film and micelle and that the interaction strength decreases in the order pH 3, pH 10, and pH 7. This result was in accord with the percent extraction of gold obtained from the cloud point extraction method where the efficiency relies on the strength of the interaction between analytes and the surfactant. Thus, this study confirmed the usefulness of the thermodynamic equations developed.

Original languageEnglish
Pages (from-to)936-941
Number of pages6
JournalColloid and Polymer Science
Volume280
Issue number10
DOIs
Publication statusPublished - Dec 1 2002

Fingerprint

Micelles
Gold
Polyethylene glycols
Ethers
ethers
micelles
Ions
gold
Thermodynamics
ions
interactions
Surface-Active Agents
thermodynamics
Surface tension
Surface active agents
Adsorption
interfacial tension
surfactants
aqueous solutions
adsorption

All Science Journal Classification (ASJC) codes

  • Physical and Theoretical Chemistry
  • Polymers and Plastics
  • Colloid and Surface Chemistry
  • Materials Chemistry

Cite this

Interaction between polyoxyethylene nonyl phenyl ether (n=9) and gold (III) ion in the adsorbed film and micelle. / Wongwailikhit, Kanda; Prasassarakich, Patarapan; Takiue, Takanori; Matsubara, Hiroki; Aratono, Makoto.

In: Colloid and Polymer Science, Vol. 280, No. 10, 01.12.2002, p. 936-941.

Research output: Contribution to journalArticle

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AU - Aratono, Makoto

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