Cytiva's Whatman™ 1441-047 Ashless Grade 41 Quantitative Filter Paper (Pack of 100)
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 Cytiva's Whatman™ Disposable Filter Funnel. Retention: 20µm. Diameter: 4.7cm. 100/Pack. Cytiva's Whatman™#: 1441-047.