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Whatman™ Quantitative Filter Paper: Grade 541 Circles

Recommended when fast filtration of a gelatinous precipitate for gravimetric analysis is performed on a strongly acidic or alkali solution. Whatman™ Quantitative Filter Paper: Grade 541 Circles  are acid hardened cellulose filters, which reduces ash to an extremely low level.

Brand:  Whatman™ 1541-270

Additional Details : Weight : 0.48000kg

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Product Code. 11350514

This item has been discontinued and is no longer available. View the product for possible alternatives or contact our Product Support team on 01509 555888 for assistance


Description

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. 
  • Large nominal particle retention for fast analytical filtration.
  • High wet-strength
  • High chemical resistance to strong acid and alkali suspensions
  • Retention of gelatinous precipitate
  • 22 µm nominal particle retention rating
  • Fast flow rate (Herzberg filtration speed 34 s)
  • Maximum of 0.006% ash concentration
  • Quantitative determination of milk sediment
Applications
  • Use as an animal foodstuff filter for determining fiber content
  • Determination of gelatin content in milk and cream
  • Quantification of chloride in cement, as well as chloride and phosphorous in coal and coke
Specifications

Specifications

Filter Paper
541
Circle
Coarse
>20 to 25μm
359mL/minĀ 
100/Pk.
Cotton linter
155μm
270mm
Tough, smooth surface. Coarse gelatinous precipitates. Useful for intermediate stages of gravimetric analysis
3 s/100 mL/in2
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