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

Cytiva offers a range of Whatman ashless filter paper for your gravimetric analysis needs. See our other ashless grades to find the right filter for your sample, or use our hardened ashless grades if your analysis involves strong acid/alkali suspensions.

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Product Product Name Price
1440-012 Grade 40 Ashless Filter Paper for Pollution Analysis, 12.7 mm circle (400 pcs) Ø 12.7 mm 21.93 USD Add to cart Get Quote

In Stock Stock on request Limited stock

1440-032 Grade 40 Ashless Filter Paper for Pollution Analysis, 32 mm circle (100 pcs) Ø 32 mm 24.54 USD Add to cart Get Quote

In Stock Stock on request Limited stock

1440-042 Grade 40 Ashless Filter Paper for Pollution Analysis, 42.5 mm circle (100 pcs) Ø 42.5 mm 25.81 USD Add to cart Get Quote

In Stock Stock on request Limited stock

1440-047 Grade 40 Ashless Filter Paper for Pollution Analysis, 47 mm circle (100 pcs) Ø 47 mm 27.05 USD Add to cart Get Quote

In Stock Stock on request Limited stock

1440-055 Grade 40 Ashless Filter Paper for Pollution Analysis, 55 mm circle (100 pcs) Ø 55 mm 28.41 USD Add to cart Get Quote

In Stock Stock on request Limited stock

1440-070 Grade 40 Ashless Filter Paper for Pollution Analysis, 70 mm circle (100 pcs) Ø 70 mm 29.65 USD Add to cart Get Quote

In Stock Stock on request Limited stock

1440-090 Grade 40 Ashless Filter Paper for Pollution Analysis, 90 mm circle (100 pcs) Ø 90 mm 41.24 USD Add to cart Get Quote

In Stock Stock on request Limited stock

1440-110 Grade 40 Ashless Filter Paper for Pollution Analysis, 110 mm circle (100 pcs) Ø 110 mm 48.97 USD Add to cart Get Quote

In Stock Stock on request Limited stock

1440-125 Grade 40 Ashless Filter Paper for Pollution Analysis, 125 mm circle (100 pcs) Ø 125 mm 55.46 USD Add to cart Get Quote

In Stock Stock on request Limited stock

1440-150 Grade 40 Ashless Filter Paper for Pollution Analysis, 150 mm circle (100 pcs) Ø 150 mm 73.54 USD Add to cart Get Quote

In Stock Stock on request Limited stock

1440-185 Grade 40 Ashless Filter Paper for Pollution Analysis, 185 mm circle (100 pcs) Ø 185 mm 108.30 USD Add to cart Get Quote

In Stock Stock on request Limited stock

1440-240 Grade 40 Ashless Filter Paper for Pollution Analysis, 240 mm circle (100 pcs) Ø 240 mm 171.97 USD Add to cart Get Quote

In Stock Stock on request Limited stock

1440-320 Grade 40 Ashless Filter Paper for Pollution Analysis, 320 mm circle (100 pcs) Ø 320 mm 355.00 USD Add to cart Get Quote

In Stock Stock on request Limited stock

1440-329 Grade 40 Ashless Filter Paper for Pollution Analysis, 30 mm circle (100 pcs) Ø 30 mm 20.69 USD Add to cart Get Quote

In Stock Stock on request Limited stock

1440-6168 Grade 40 Ashless Filter Paper for Pollution Analysis, 450 mm circle (100 pcs) Ø 450 mm 424.00 USD Add to cart Get Quote

In Stock Stock on request Limited stock

1440-917 Grade 40 Ashless Filter Paper for Pollution Analysis, 460 × 570 mm sheet (100 pcs) 460 x 570 mm 735.00 USD Add to cart Get Quote

In Stock Stock on request Limited stock

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