Fisherbrand™ Quantitative Grade Filter Paper Circles

Manufactured to reduce silicon dioxide, calcium oxide and ferric oxide levels

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Catalog No. 09-790-2A

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    Quantity 100/box
    Grade Q5
    Material Alpha Cotton Cellulose
    Format Circle
    Porosity Medium
    Diameter (Metric) 5.5cm
    Particle Retention 5 to 10μmm
    For Use With (Application) Widely used for general gravimetric analysis. Retains medium-sized particles such as lead sulfate, calcium oxalate and magnesium ammonium sulfate. Limited wet strength.
    Flow Rate Medium

    • Made from high-quality alpha cotton cellulose, washed in hydrochloric acid and neutralized in an ultrapure water rinse
    • Leave no more than 0.01% ash when burned
    • Limited wet strength, suitable for gravity or low-suction filtration; should be used with care to avoid rupturing

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