Whatman® quantitative filter paper, ashless, Grade 40
ALDRICH/WHA1440012 - circles, diam. 12.7 mm, pack of 400
Synonym: Whatman filter; Whatman paper; Z740403; filter papers; paper filter
Product Type: Equipment/Book
| ash | ≤0.007% |
| basis weight | 95 g/m2 |
| diam. | 12.7 mm |
| manufacturer/tradename | Whatman 1440-012 |
| Whatman Article No. 28417986 (US reference) | |
| material | circles |
| cotton filters (high-quality cotton linters) | |
| packaging | pack of 400 |
| parameter | 0.29 psi wet burst |
| 340 sec/100 mL speed (Herzberg) | |
| pore size | 8 μm (Particle retention) |
| thickness | 210 μm |
| Features and Benefits: | • High-purity filters contain 0.007% maximum ash content • Medium nominal particle retention rating of 8 µm • Medium filtration speed (Herzberg 340 s) • Particularly useful for gravimetric analysis |
| 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 |