Method for determining the stability of foam

Details Method for determining the stability of foam Method for determining the stability of foam

1984-10-31

1986-03-25

Levy, Stewart J.

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Cleaning or foaming ability

G01N 3322

Patent

active

045774919

ABSTRACT:
A method for determining the stability of live foam comprises a sample pressurizing vessel connected to a sample injection chamber leading to a sample cell linked to a reference cell maintained at constant pressure. The link between the sample cell and the reference cell comprises a link fitted with a valve for initially equalizing the pressure between the two and subsequently isolating them. A differential pressure transducer is provided for determining the subsequent change in pressure of the sample with reference to the reference cell as the foam collapses.

REFERENCES:
patent: 4301676 (1981-11-01), Gokcen

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