does any exact way to measure liquid content of foams of nonionic suractant solutions? in order to determine of foam density and correlate this parameter to foamability and foam stability?
Study black hydrocarbon films with their surfactants to simulate the foam films.
Best regards.
I seem to remember that conductivity has been used. You just need enough salt in the water to making it conducting. Check it out with Google Scholar. Try looking for papers by Denis Weaire or R. Hohler - excellent foam scientists.
@Yuri Mirgorod
@Alan Parker
Thank you for your recommendations
they were so useful for me
sincelery
Dear Mr. Motamed
As far as I know and I work, there is a standard test (with 22500 rpm) in which the whole foaming solution is converted to the foam and no liquid remains. You can measure the volume of this foam and compute the density.
Best Regards
@shahin Khosharay: could you send me an article or any other source which uses this method or which explains it's procedure?
thnks a lot
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