Whatman® quantitative filter paper, ashless, Grade 41 pack of 100

Description

Whatman quantitative filters are designed for gravimetric analysis and the preparation of sample for instrumental analysis. Ashless filter papers with 0.007% ash maximum are very pure filters ideal for a wide range of critical analytical filtration procedures.

Grade 41 (20-25µm)
The fastest ashless filter paper, recommended for analytical procedures involving coarse particles or gelatinous precipitates. Typical applications include:

• quantitative air pollution analysis