Quantitative filter papers, ashless grades, grade 40, Whatman™

Supplier: Whatman products (Cytiva)
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Whatman™
514-0579EA 22 GBP
514-0579 512-0311 514-0593 514-0594 512-0312 512-0310 512-0651 512-0315 WHAT10380006 WHAT10380005 514-0591 512-0313 514-0580 WHAT10380004 512-0314 514-0592 512-0308 512-0309 516-4101
Quantitative filter papers, ashless grades, grade 40, Whatman™
Filters Filter Papers Quantitative Filter Paper
Whatman Grade 40 high-purity filters from Cytiva's business are general-purpose papers for quantitative analysis. Grade 40 filters are suitable for a variety of analytical filtration applications.

  • High-purity filters contain 0,007% maximum ash content
  • Medium nominal particle retention rating of 8 µm
  • Medium filtration speed (Herzberg 340 s)
  • Particularly useful for gravimetric analysis

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.

Cytiva's high-purity Whatman Grade 40 ashless paper is suited to:
- Soil analysis, when separating solid matter from aqueous extracts
- 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
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