Whatman Filter Paper, No. 41, 20-25μm, Quantitative, Ashless


Fastest flow, For coarse retention



Grade 41: 20-25 μm

The fastest ashless filter paper, recommended for analytical procedures involving coarse particles or gelatinous precipitates
(e.g. iron or aluminum hydroxides). Also used in quantitative air pollution analysis as a paper tape for impregnation when
determining gaseous compounds at high flow rates. This filter is also available in the Whatman Disposable Filter Funnel.
This is a convenient, disposable 47 mm filter funnel with a 250 mL capacity. The 47 mm Grade 41 filter can be easily
removed for further analysis or culturing.

Whatman LPP-1441-042 Filter Paper No. 41 Dia 4.25 cm (Ashless) Quantitative 100
Whatman LPP-1441-047 Filter Paper No. 41 Dia 4.7 cm (Ashless) Quantitative 100
Whatman LPP-1441-055 Filter Paper No. 41 Dia 5.5 cm (Ashless) Quantitative 100
Whatman LPP-1441-070 Filter Paper No. 41 Dia 7.0 cm (Ashless) Quantitative 100
Whatman LPP-1441-090 Filter Paper No. 41 Dia 9.0 cm (Ashless) Quantitative 100
Whatman LPP-1441-110 Filter Paper No. 41 Dia 11.0 cm (Ashless) Quantitative 100
Whatman LPP-1441-125 Filter Paper No. 41 Dia 12.5 cm (Ashless) Quantitative 100
Whatman LPP-1441-150 Filter Paper No. 41 Dia 15.0 cm (Ashless) Quantitative 100
Whatman LPP-1441-185 Filter Paper No. 41 Dia 18.5 cm (Ashless) Quantitative 100
Whatman LPP-1441-240 Filter Paper No. 41 Dia 24.0 cm (Ashless) Quantitative 100

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