Cytiva Whatman™ Quantitative Filter Paper: Grade 41 Circles

Description

• Use for quantitative air pollution analysis as a paper tape for impregnation when determining gaseous compounds at high flow rates or for quantitative air pollution analysis
• Whatman™ Quantitative Filter Paper: Grade 41 Circles are commonly used in preparing samples for metal analysis after nitric acid digestion
• Ashless grades are very pure filters suitable for a wide range of critical analytical filtration procedures
• Whatman™ quantitative filter papers are designed for gravimetric analysis and the preparation of samples for instrumental analysis
• Extremely low ash content (0.007% ash maximum) 20μm nominal particle retention rating Fast filtration speed (Herzberg 54 s) Commonly used for routine air pollution analysis and soil pollution analysis High-purity filters for quantitative analysis