Whatman Grade 540 Quantitative Hardened Ashless Filter Papers

LabShop supplies the complete range of Cytiva Whatman Grade 540 quantitative hardened ashless filter papers.

Cytiva Whatman Grade 540 acid hardened cellulose filter paper features high wet-strength, high chemical resistance (to both strong acid and alkali suspensions), and a large nominal particle retention for fast analytical filtration:

• Acid treated for high wet-strength
• High chemical resistance to strong acid and alkali suspensions
• 8 µm nominal particle retention rating
• Medium flow rate (Herzberg filtration speed 200 s)
• Maximum of 0.006% ash concentration

Cytiva Whatman Grade 540 hardened ashless filter paper is well suited for quantitative or gravimetric analysis of strongly acidic or alkaline samples.

Applications of Cytiva Whatman Grade 540 papers include:   gravimetric analysis of metals in acid / alkali solutions and in collecting hydroxides after precipitation by strong alkalis.

Along with the Whatman Grade 540 general-purpose filter paper, the hardened, ashless range from Cytiva includes the fast flow Grade 541 and Grade 542 for fine particle retention - all three paper grades are appropriate for use in gravimetric analysis with strong acids and alkali samples.

If you cannot find the specific Cytiva Whatman Grade 540 product(s) you require within the LabShop website catalogue range, please contact us for further information on pricing and availability.