Description:
Cytiva-Whatman 1540-042 Grade 540 Quantitative Filter Paper, Hardened Ashless-4.25cm is frequently used as a gravimetric filter during analysis of metals in acidic or alkaline solutions and in the collection of hydroxides. The acid-treated surface prevents tearing during filtration and allows the user to scrape precipitates from the paper. Nominal particle retention of 8 µm. 100/box.
Diameter(cm): 4.25
