Method and apparatus to study a surfactant
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United States of America Patent
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Jan 2, 2007
Grant Date -
Sep 2, 2004
app pub date -
May 17, 2002
filing date -
May 18, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a method of and an apparatus for studying properties, especially physical properties of a surfactant. A fluid is introduced in the form of a sample volume in another fluid which is immiscible with said fluid so that an interface is formed between the one fluid and the other fluid, at least in a partial area of a surface of the sample volume. The sample volume is configured so as to be axially symmetrical around a given defining axis, whereby the interface is formed axially symmetrically with respect to the given defining axis. The surfactant is spread across the interface to form a surface film in the area of the interface with the surfactant. Thereupon the surface film can by studied microscopically.
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