WHA1825257
Whatman® circles ,borosilicate glass grade GF/F filter discs 0.7 μm pore size
white, binder free, TCLP test, 25 ea, 257 mm diam
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product name
Whatman® glass microfiber filters, Grade GF/F, Grade GF/F circles, 257 mm, 25/pk
material
borosilicate glass
circles
description
GF/F grade: medium, high loading
packaging
pack of 25
manufacturer/tradename
Whatman 1825-257
Whatman Article No. 28418453 (US reference)
diam.
257 mm
thickness
0.42 mm
pore size
0.7 μm
suitability
suitable for (DNA binding and purification; very effective in filtering finely precipitated proteins)
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General description
This high-efficiency filter will retain fine particles down to 0.7 μm. Unlike membrane filters with a comparable retention value, it has a very rapid flow rate and an extremely high loading capacity.
Because of the tight specification of 0.6 μm - 0.8 μm particle retention and pure borosilicate glass structure, GF/F is the material upon which the EPA Method TCLP 1311 for Toxicity Characteristic Leaching Procedure was developed. It remains today the filter of choice.
Recommended for DNA binding and purification. Very effective in filtering finely precipitated proteins, GF/F can be used in conjunction with GF/D as a prefilter for the successful clarification of extremely ‘difficult′ biochemical solutions and fluids, and nucleic acids.
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