Whatman™ Qualitative Filter Paper: Grade 1 Circles

Covers a wide range of laboratory applications and is frequently used for clarifying liquids. Whatman™ Qualitative Filter Paper: Grade 1 Circles are widely used standard grade filter papers for routine applications with medium retention and flow rates.

Manufacturer: Whatman™ 1001320

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Catalog No. 09-805L

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    Specifications

    Quantity 100/pk.
    Diameter (Metric) 320mm
    Grade 1
    Material Cellulose
    For Use With (Application) For clarifying liquids. Used in qualitative analytical separations of precipitates such as lead sulphate; air pollution monitoring, gas detection, soil analysis
    Thickness (Metric) 180μm
    Porosity Medium
    Particle Retention >11μm
    Format Circle

     

    These cellulose filters are used in qualitative analytical techniques to determine and identify materials and for clarifying liquids. 
    • Particle Retention: >11µm
    • Porosity: medium
    • Filtration speed: ASTM™, 40 sec.; Herzberg, 150 sec.
    • Surface: smooth
    • Separates precipitates such as lead sulfate, calcium oxalate (hot) and calcium carbonate
    • Used for soil analysis and seed testing procedures in the agricultural industry
    • Used to separate solid foodstuffs from associated liquid or extract liquid in the food industry
    • Atmospheric dust is collected from airflow and the stain-intensity measured 
    • Impregnated with a chromogenic reagent and color formation quantified by optical reflectance for gas detection

     


  • Description & Specifications

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