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Simultaneous Conduc...
Simultaneous Conductivity and Viscosity Measurements as a Technique To Track Emulsion Inversion by the Phase-Inversion-Temperature Method
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Allouche, Joachim (författare)
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- Tyrode, Eric (författare)
- Laboratorio FIRP, Ingeniería Química, Universidad de Los Andes, Avenida Don Tulio Febres, Mérida
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Sadtler, Veronique (författare)
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Choplin, Lionel (författare)
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Salager, Jean-Louis (författare)
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(creator_code:org_t)
- 2004-02-10
- 2004
- Engelska.
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Ingår i: Langmuir. - : American Chemical Society (ACS). - 0743-7463 .- 1520-5827. ; 20:6, s. 2134-2140
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Two kinds of transitions can occur when an emulsified water-oil-ethoxylated nonionic surfactant system is cooled under const. stirring. At a water-oil ratio close to unity, a transitional inversion takes place from a water-in-oil (W/O) to an oil-in-water (O/W) morphol. according to the so-called phase-inversion-temp. method. At a high water content, a multiple W/O/W emulsion changes to a simple O/W emulsion. The continuous monitoring of both the emulsion cond. and viscosity allows the identification of several phenomena that take place during the temp. decrease. In all cases, a viscosity max. is found on each side of the three-phase behavior temp. interval and correlates with the attainment of extremely fine emulsions, where the best compromise between a low-tension and a not-too-unstable emulsion is reached. The studied system contains Polysorbate 85, a light alkane cut oil, and a sodium chloride brine. All transitions are interpreted in the framework of the formulation-compn. bidimensional map.
Ämnesord
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
Nyckelord
- Surfactants (nonionic
- simultaneous cond. and viscosity measurements as technique to track emulsion inversion by phase-inversion-temp. method)
- Kerosene Role: PRP (Properties) (oil phase contg.
- simultaneous cond. and viscosity measurements as technique to track emulsion inversion by phase-inversion-temp. method)
- Emulsions
- Ionic conductivity
- Viscosity (simultaneous cond. and viscosity measurements as technique to track emulsion inversion by phase-inversion-temp. method)
- nonionic surfactant emulsion inversion cond viscosity
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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Langmuir
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