With one of the largest catalogs of medical, surgical and diagnostic supplies available online, Medex Supply can accommodate your facility's needs for Laboratory Supplies. Filter Paper can be found in our extensive online collection of products from globally recognized and trusted brands, including Whatman. An excellent option to consider is the Quantitative Filter Papers, Ashless, Grade 42.
Description of the Whatman Quantitative Filter Papers, Ashless, Grade 42 12.5 cm
Particle Retention: >2.5µm. Porosity: Medium. Filtration Speed: ASTM, 240 seconds; Herzberg, 1870 seconds. Surface: Smooth, dense texture. Applications: Highly retentive, for very fine precipitates. Normal loading; limited wet strength. Laboratory standard for critical gravimetric analysis.