| http://www.w3.org/ns/prov#value | - to Small Viruses, molecules 0.05 Small viruses, molecules 0.025 Only the very smallest viruses, molecules Ultra-filter Small molecules Uses of Filtration: Membrane-filters are used to sterilize heat sensitive materials include media, special nutrients that might be added to media, enzymes, vaccines, and pharmaceutical products such as drugs, sera, and vitamins.
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