Our Whatman filter papers offer you flexibility in filter choice without sacrificing quality. All filters are packaged 100 per box. Quantitative filter papers are the choice for gravimetric analysis. High-purity hardened filters have a high wet-strength and are chemical-resistant to handle vacuum filtration or acid/alkali solutions. The industry standard for high-purity filtration Available in a variety of grades and sizes
Whatman 1442-042 Quantitative Filter Paper Circles, 2.5 Micron, Grade 42, 42.5mm Diameter (Pack of 100)
$84.99
- Diameter: 4.25cm
- Retention: 2.5µm
- A world standard for critical gravimetric analysis with the finest particle retention of all Whatman cellulose filter papers
- A Whatman cellulose filter is manufactured from high quality cotton linters treated to achieve a minimum alpha cellulose content of 98%
- Typical analytical precipitates include barium sulphate, metastannic acid and finely precipitated calcium carbonate
In stock