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Z241822 Aldrich

Whatman® quantitative filter paper, hardened low-ash, Grade 52

circles, diam. 70 mm, pack of 100

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Properties

Related Categories Filtration Supplies, Labware, Manufacturer Browser, Paper Filters, Quantitative,
material   circles
  cotton filters (high-quality cotton linters)
packaging   pack of 100
mfr. no.   Whatman, 1452-070
parameter   235 sec/100 mL speed (Herzberg)
  7 psi wet burst
diam.   70 mm
thickness   175 μm
ash   ≤0.015%
pore size   7 μm (Particle retention)
basis weight   101 g/m2

Description

General description

The maximum ash content of these filter paper grades is intermediate between ashless and qualitative grades. They are particularly suitable for Büchner filtrations where it is desirable to recover the precipitate from the filter surface after filtration. Other characteristics include high wet strength and chemical resistance which are similar to the acid hardened ashless filter papers.

Grade 52: 7 μm (medium filter paper)

The general purpose hardened filter paper with medium retention and flow rate. Very hard surface.

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Whatman is a registered trademark of GE Healthcare

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