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
1440-032 Grade 40 Ashless Filter Paper for Pollution Analysis, 32 mm circle (100 pcs) Ø 32 mm 30.05 USD Add to cart

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1440-042 Grade 40 Ashless Filter Paper for Pollution Analysis, 42.5 mm circle (100 pcs) Ø 42.5 mm 31.61 USD Add to cart

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1440-012 Grade 40 Ashless Filter Paper for Pollution Analysis, 12.7 mm circle (400 pcs) Ø 12.7 mm 26.85 USD Add to cart

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1440-110 Grade 40 Ashless Filter Paper for Pollution Analysis, 110 mm circle (100 pcs) Ø 110 mm 59.97 USD Add to cart

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1440-6168 Grade 40 Ashless Filter Paper for Pollution Analysis, 450 mm circle (100 pcs) Ø 450 mm 519.00 USD Add to cart

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1440-070 Grade 40 Ashless Filter Paper for Pollution Analysis, 70 mm circle (100 pcs) Ø 70 mm 36.30 USD Add to cart

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1440-185 Grade 40 Ashless Filter Paper for Pollution Analysis, 185 mm circle (100 pcs) Ø 185 mm 132.64 USD Add to cart

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1440-150 Grade 40 Ashless Filter Paper for Pollution Analysis, 150 mm circle (100 pcs) Ø 150 mm 90.06 USD Add to cart

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1440-240 Grade 40 Ashless Filter Paper for Pollution Analysis, 240 mm circle (100 pcs) Ø 240 mm 211.00 USD Add to cart

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1440-917 Grade 40 Ashless Filter Paper for Pollution Analysis, 460 × 570 mm sheet (100 pcs) 460 x 570 mm 901.00 USD Add to cart

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1440-125 Grade 40 Ashless Filter Paper for Pollution Analysis, 125 mm circle (100 pcs) Ø 125 mm 67.91 USD Add to cart

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1440-320 Grade 40 Ashless Filter Paper for Pollution Analysis, 320 mm circle (100 pcs) Ø 320 mm 436.00 USD Add to cart

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1440-047 Grade 40 Ashless Filter Paper for Pollution Analysis, 47 mm circle (100 pcs) Ø 47 mm 33.12 USD Add to cart

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1440-055 Grade 40 Ashless Filter Paper for Pollution Analysis, 55 mm circle (100 pcs) Ø 55 mm 34.79 USD Add to cart

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1440-090 Grade 40 Ashless Filter Paper for Pollution Analysis, 90 mm circle (100 pcs) Ø 90 mm 50.50 USD Add to cart

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1440-329 Grade 40 Ashless Filter Paper for Pollution Analysis, 30 mm circle (100 pcs) Ø 30 mm 25.33 USD Add to cart

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