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
High-quality Cotton Linters
Gelatinous precipitates and coarse particles
Metallurgy: iron and aluminum hydroxides. Air pollution monitoring. Normal loading; limited wet strength
We continue to work to improve your shopping experience and your feedback regarding this content is very important to us. Please use the form below to provide feedback related to the content on this product.
Your feedback has been submitted. Fisher Scientific is always working to improve our content for you. We appreciate your feedback.