Whatman™ Quantitative Filter Paper: Grade 42 Sheets Available on GSA/VA Contract for Federal Government customers only.

Filters and retains extremely small particles. Whatman™ Quantitative Filter Paper: Grade 42 Sheets are suitable for processes that require ashing.

Manufacturer: Whatman™ 1442917

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Catalog No. 09-927-696

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    Specifications

    Width (Metric) 57mm
    Grade 42
    Pore Size (Metric) 2.5μmm
    Length (Metric) 46mm
    Format Sheet
    Thickness 200μmm

    Ashless grades are very pure filters suitable for a wide range of critical analytical filtration procedures. Whatman™ quantitative filter papers are designed for gravimetric analysis and the preparation of samples for instrumental analysis.

    • Ashless: 0.007% ash maximum
    • Fine (2.5 µm) nominal particle retention rating, eliminates large particles that might otherwise interfere with sensitive instrumentation
    • Herzberg filtration speed of 1870 s
    • Commonly used as a calcium carbonate filter

  • Description & Specifications

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