Suitable for laboratory and industrial environments, these Quantitative Filter Circles, Grade 40, with a diameter of 150 mm, are ideal for various applications. Manufactured by Whatman, they offer a filtration time of approximately 340 seconds. These filter circles are particularly useful in gravimetric analysis of diverse components in cement, clay, iron, and steel products. They also serve as a primary filter for separating solid matter from aqueous extracts in general soil analysis. Additionally, they are suitable for quantitative determination of sediments in milk and as a pure analytical grade clean-up filter for solutions prior to Atomic Absorption Spectroscopy (AAS) analysis.

• Category: Quantitative Filter Papers
• Diameter [mm]: 150
• Brand: Whatman
• Filtration time [s]: 340
• Filter type: filter circle
• Type: Sorte 40
• UNSPSC 13.5: 41104929