Whatman 4716H25PK 1441110 Grade 41 Quantitative Filter Paper Ashless Filter Circles, 110 mm, Max Volume 1764 ml/m (Pack of 100)

Whatman 4716H25PK 1441110 Grade 41 Quantitative Filter Paper Ashless Filter Circles, 110 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