A membrane is a soft pliable sheet made from plant, animal, or a man-made Material.   Membranes can be described as permeable or semi permeable.   Semipermeable means that some materials can pass through the membrane but other materials cannot.    The osmosis experiment is a prominent example of a semipermeable membrane.   Water and wine were separated by ….  Read More

Osmotic Pressure

OSMOTIC PRESSURE JA Nollet’s simple experiment (1748) to investigate the filter efficiency of a bladder membrane produced an enigma which is still misunderstood by many persons today.    Wine in a column was separated from pure water by a pig’s bladder membrane (figure 1).    The static pressure produced by a column of wine was expected to ….  Read More

Osmosis History

I don’t even know how I ended up here, but I thought this post was great. I don’t know who you are but certainly you’re going to a famous blogger if you are not already 😉 Cheers!