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.

Manufacturer: Whatman™ 1541240

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Catalog No. 09-851L

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    Specifications

    Diameter (Metric) 240mm
    Grade 541
    Porosity Coarse
    Particle Retention >20 to 25μmm
    For Use With (Application) Tough, smooth surface. Coarse gelatinous precipitates. Useful for intermediate stages of gravimetric analysis
    Quantity 100/Pk.

    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

  • Description & Specifications

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