PFAS AND FOAM ON WATERWAYS - Wisconsin DNR Foam is a common occurrence on Wisconsin waterways and can often be observed floating on the surfaces of lakes and rivers Surface water foam can form as a result of natural processes or from human-caused discharges such as runoff of contaminants into waterways
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Foam - Wikipedia Foams are examples of dispersed media In general, gas is present, so it divides into gas bubbles of different sizes (i e , the material is polydisperse)—separated by liquid regions that may form films, thinner and thinner when the liquid phase drains out of the system films
Foam | Structure, Properties, Uses | Britannica foam, in physical chemistry, a colloidal system (i e , a dispersion of particles in a continuous medium) in which the particles are gas bubbles and the medium is a liquid The term also is applied to material in a lightweight cellular spongy or rigid form
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