Whatman® quantitative filter paper, hardened ashless, Grade 542
ALDRICH/WHA1542240 - circles, diam. 240 mm, pack of 100
Synonym: Whatman filter; Z241512; filter paper; paper filter
Product Type: Equipment/Book
ash | ≤0.006% |
basis weight | 93 g/m2 |
diam. | 240 mm |
manufacturer/tradename | Whatman 1542-240 |
Whatman Article No. 28418254 (US reference) | |
material | circles |
cotton filters (high-quality cotton linters) | |
packaging | pack of 100 |
parameter | 2510 sec/100 mL speed (Herzberg) |
6 psi wet burst | |
pore size | 2.7 μm (Particle retention) |
thickness | 150 μm |
General description: | These are the supreme hardened ashless quantitative filter papers featuring high wet strength and chemical resistance. These papers are acid hardened, which reduces ash to an extremely low level. Their tough surfaces make them suitable for a wide range of critical analytical filtration operations. Each grade offers a convenient combination of filtration speed and particle retention. Grade 542: 2.7 μm (slow filter paper) High retention of fine particles under demanding conditions. Slow flow rate. Very hard and strong with excellent chemical resistance. Often used in gravimetric metal determinations. |
Legal Information: | Whatman is a registered trademark of Cytiva |
Other Notes: | Field of Use : For internal research use only. Products are not intended for diagnostic use or resale. |
UNSPSC | 41104900 |