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GE Healthcare
Grade 40 Quantitative Filter Paper

The classic general-purpose ashless filter paper with medium speed and retention.

  • Ashless: 0.007% ash maximum for Grades 40 to 44. These are very pure filters suitable for a wide range of critical analytical filtration procedures.

Whatman quantitative filters from GE Healthcare are designed for gravimetric analysis and the preparation of samples for instrumental analysis. They are available in three formats designed to meet specific needs.

Grade 40: 8 µm

Typical applications for the Grade 40 filter include: gravimetric analysis for numerous components in cements, clays, iron, and steel products; as a primary filter for separating solid matter from aqueous extracts in general soil analysis; quantitative determination of sediments in milk; and as a pure analytical grade clean-up filter for solutions prior to atomic absorption (AA) spectrometry. Also used as a high-purity filter in the collection of trace elements and radionuclides from the atmosphere.

CanLab No. Description Qty/Uom
52E6174 Grade 40 Filter Paper, Ashless (Ash 0.007%), Circle, 110mm 100/PK
03E6174 Grade 40 Filter Paper, Ashless (Ash 0.007%), Circle, 125mm 100/PK
53E6174 Grade 40 Filter Paper, Ashless (Ash 0.007%), Circle, 150mm 100/PK
04E6174 Grade 40 Filter Paper, Ashless (Ash 0.007%), Circle, 185mm 100/PK
79R8980 Grade 40 Filter Paper, Ashless (Ash 0.007%), Circle, 240mm 100/PK
51E6174 Grade 40 Filter Paper, Ashless (Ash 0.007%), Circle, 70mm 100/PK
02E6174 Grade 40 Filter Paper, Ashless (Ash 0.007%), Circle, 90mm 100/PK

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