Categorization of membranes according to permeability
Relating to their permeability how are membranes categorized?
Expert
Membranes can be categorized as permeable, impermeable, semi-permeable or selectively permeable.
An impermeable membrane is that via which no substance can pass. Semi-permeable membranes are such that let just solvents, such as water, to pass via it. Permeable membranes are such that let solvent and solutes, alike to ions and molecules, to pass across it. There are also selectively permeable membranes, that is, membranes which besides permitting the passage of solvent let only certain particular solutes to pass whereas blocking others.
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