Whatman^® Quantitative Filter Paper, Hardened Low-Ash, Grade 54, Diam. 55 mm, Whatman (CAT#: STEM-L-4397-LC)

The Whatman^® Quantitative Filter Paper, Hardened Low-Ash, Grade 54 manufactured by Whatman is ideal for filtration of coarse and gelatinous precipitates. The wet strength and chemical resistance are same with the acid hardened ashless Filter papers.

Material: Cellulose filters, circles
Packaging: Pack of 100
Parameter: 39 sec/100 mL speed (Herzberg), 7 psi wet burst
Diam.: 55 mm
Thickness: 185 μm
Ash: ≤0.015%
Pore size: 22 μm (Particle retention)
Basis weight: 92 g/m²

Fast filtration speed
High wet strength

Whatman^® Quantitative Filter Paper, Hardened Low-Ash, Grade 54, Diam. 500 mm, Whatman (CAT#: STEM-L-4398-LC)