Whatman™ Quantitative Filter Papers - Grade 40

Separates solid matter from aqueous extracts in soil analysis and collects atmospheric trace elements and radionuclides. Whatman™ Quantitative Filter Papers – Grade 40 also filter numerous components in cements, clays, iron, and steel products.

Brand: Whatman™

Manufacturer Part Number: 1440-012

X400 GR. 40 1.27CM/400/PKFILTER

UNSPSC: 41104921

Additional Details:
Additional Details: Weight: 0.01100kg

Product Code. 11370454

Quantity Price
1 £ 11.35 / Pack of 400
Estimated Shipment
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Description and Specification


Grade 40
Pore Size (Metric) 8μm
Format Circle
Thickness (Metric) 210μm
Diameter (Metric) 12.7mm
Flow Rate 25mL/min per 9cm dia.

High-purity filters support accurate analysis in applications sensitive to very low levels of background contamination and in gravimetric analysis where ash content might affect weight measurements of combusted samples.
  • Medium speed and retention
    • Quantitative determination of milk sediment
    • Use as a clean-up filter for solutions prior to atomic absorption (AA) spectrometry
    • Analysis of constituent components in cements, clays, iron, and steel products
    • Collection of trace elements and radionuclides from the atmosphere