Whatman 4716H10PK 1441055 Grade 41 Quantitative Filter Paper Ashless Filter Circles, 55 mm, Max Volume 1764 ml/m (Pack of 100)

• Fast filtration of coarse or gelatinous precipitates (20-25 µm particle retention)
• Acid washed, ash content 0.007%
• Especially suitable for iron or aluminum hydroxides; rough surface
• Widely used in determining silicon in iron and steel analysis
• Used for quantitative air pollution analysis when determining gaseous compounds at high flow rates

The fastest ashless filter paper, recommended for analytical procedures involving coarse particles or gelatinous precipitates (e.g., iron or aluminum hydroxides). Whatman quantitative filters from GE Healthcare are designed for gravimetric analysis and the preparation of samples for instrumental analysis. They are available in three formats designed to meet specific needs. This fastest ashless filter paper is 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 a 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.