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Whatman™ Quantitative Filter Paper: Grade 540 Circles

Use as a gravimetric filter during analysis of metals in acidic or alkaline solutions and in the collection of hydroxides. Whatman™ Quantitative Filter Paper: Grade 540 Circles acid-treated surface prevents tearing during filtration and allows the user to scrape precipitates from the paper.

Brand:  Whatman™ 1540-321

UNSPSC : 41104921

Additional Details : Weight : 0.01100kg

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Product Code. 11310514

  • £14.00 / Pack of 100


Estimated Shipment
24-07-2017
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Specifications

Description

Whatman hardened ashless quantitative filter papers are acid-hardened to give high wet strength and chemical resistance with extremely low ash content. They are suitable for a wide range of critical filtration procedures.
  • High-purity, acid-treated cellulose lab filter paper
  • Mechanically strong 
  • Well suited for quantitative or gravimetric analysis of strongly acidic or alkaline samples
  • Extremely low ash content (0.006% ash maximum)
  • Nominal particle retention of 8 µm
  • Medium flow rate (Herzberg filtration speed 200 s)

Description & Specifications

Specifications

100/Pk.
Medium
>8μmm
540
21mm
Gravimetric analysis of metals in acid/alkali solutions. Collecting hydroxides after precipitation by strong alkalis. Normal loading; high wet strength.