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Z241644 Aldrich

Whatman® quantitative filter paper, hardened ashless, Grade 541

circles, diam. 55 mm, pack of 100

Synonym: Whatman filter, filter papers, paper filter

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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 Article No., 28418232 (US reference)
  Whatman, 1541-055
limit   34 sec/100 mL speed (Herzberg)
  7 psi wet burst
diam.   55 mm
thickness   155 μm
ash   ≤0.006%
pore size   22 μm (Particle retention)
basis weight   82 g/m2

Description

General description

These are the supreme hardened ashless quantitative filter papers featuring high wet strength and chemical resistance. These papers are acid hardened, which reduces ash to an extremely low level. Their tough surfaces make them suitable for a wide range of critical analytical filtration operations. Each grade offers a convenient combination of filtration speed and particle retention.

Grade 541: 22 μm (fast filter paper)

Fast filtration of coarse particles and gelatinous precipitates in acid/alkali solutions during gravimetric analysis. Typical applications include fiber in animal foodstuffs, gelatine in milk and cream, chloride in cement, and chloride and phosphorous in coal and coke.

Other Notes

Global SIAL customers (excluding Japan) can now order any product from the GE Healthcare Life Sciences consumables portfolio (prepack only) using GE′s product numbering system.

The legacy GE Whatman products that use the SIAL "Z" product numbering system will be discontinued and directly replaced with a product number using a "WHA" prefix plus the GE product code. For reference, the legacy "Z" product number is identified as a synonym on the "WHA" product number listing.

This product has been replaced by WHA1541055-ALDRICH | Whatman quantitative filter paper, hardened ashless, Grade 541, circles, diam. 55 mm, pack of 100

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Whatman is a registered trademark of GE Healthcare

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WHA1541055 Whatman® quantitative filter paper, hardened ashless, Grade 541, circles, diam. 55 mm, pack of 100

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