Whatman 540

Cytiva Whatman Grade 540 is a high-purity, acid-treated cellulose lab filter paper. Mechanically strong Grade 540 is well suited for quantitative or gravimetric analysis of strongly acidic or alkaline samples. Acid-treated for high wet-strength Extremely low ash content (0.006% ash…

Cytiva Whatman Grade 541 acid hardened cellulose filter paper features high wet-strength, high chemical resistance, and a large nominal particle retention for fast analytical filtration. High wet-strength High chemical resistance to strong acid and alkali suspensions Retention of gelatinous…