Cytiva Filter Paper, Grade 54, 110mm Dia, 100 Items WHAT1542-110

Cytiva - Whatman Quantitative Filter Paper Hardened Ashless, Grade 542, 110 mm circles These filters are acid hardened to allow high retention of fine precipitates in applications such as metal determinations and hydroxide collection. High wet-strength Acid-hardened for resistance to strong acid and alkali solutions Nominal particle retention rating of 2.7 µm Herzberg filtration speed of 2510 s Extremely low ash content (0.006% ash maximum)