DOI > 10.5291/ILL-DATA.9-10-1462

This proposal is publicly available since 07/06/2021

Title

Electric field induced adsorption of sodium dodecyl sulfate to a silica surface

Abstract

The proposed experiments will directly determine the influence of surface potential on the packing of surfactant molecules at a silica/solution interface. Competitive effects of hydrophobic interactions, solvation and molecular and ionic packing are all known to influence the structure and the amount of material in adsorbed layers. Neutron reflection measurements with an applied electric potential permit the determination of the role of potential and results will be compared with previous work where simulations have been made and studies where pH is used to change adsorption but also influences simultaneously the activity of molecules in solution.

Experimental Report

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Data Citation

The recommended format for citing this dataset in a research publication is in the following format:

RENNIE Adrian R.; GUTFREUND Philipp and NOUHI SHIRIN. (2016). Electric field induced adsorption of sodium dodecyl sulfate to a silica surface. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.9-10-1462

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Metadata

Experiment Parameters

  • Environment temperature

    25+/-0.5C
  • Experiment energy

    2 to 25 A
  • Experiment moment

    0.007 to 0.25 A-1
  • Experiment res moment

    5%

Sample Parameters

  • Formula

    • CH3(CH2)11SO4Na
    • D2O and H2O