prov:value
| - The membrane filter is usually composed of cellulose esters such as cellulose acetate, cellulose triacetate, cellulose nitrate, combination of cellulose acetate and nitrate, regenerated cellulose, polyethylene, nylon, Teflon, polyvinyl chloride, fluorinated vinyl, polypropylene, epoxy glass, acrylic vinyl copolymer, or the like.
|