Cytiva, 10403012, Whatman™ cellulose acetate membrane circle (ST 69), 1.2 µm pore size, 47 mm (100/Pk)
Low protein binding membrane for filtering protein-based aqueous samples
Catalog Number: 10403012
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Pack Size100/pk
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Answer:ST 69 circles have a 1.2 µm nominal pore size.
Answer:The membrane material is cellulose acetate.
Answer:They are supplied as 47 mm circles in packs of 100.
Whatman ST 69 cellulose acetate membrane circles are 47 mm filter discs with a 1.2 µm nominal pore size. The cellulose acetate membrane provides a hydrophilic filtration surface for laboratory liquid-filtration and sample-handling procedures. The relatively open 1.2 µm pores suit applications focused on larger particulate removal or clarification rather than the finer retention targeted by 0.45 µm or 0.2 µm membranes. Each pack contains 100 circles to support repeated membrane filtration work. ST 69 is a separate grade from the finer ST 68, OE 67, and OE 66 Whatman cellulose acetate discs; matching the specified pore size is important when selecting replacements. Use with an appropriate 47 mm holder and method-compatible sample fluids.
Unless otherwise stated, the minimum order amount is USD 1,000.
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