Whatman® qualitative filter paper, Grade 597

circles, diam. 125 mm, pack of 100

Whatman filter, Z133531, Whatman paper, paper filter


cellulose filters


pack of 100


Whatman 10311811
Whatman Article No. 28414229 (US reference)


70 sec/100 mL speed (Herzberg)


125 mm


180 μm

pore size

4-7 μm (Particle retention)

basis weight

85 g/m2

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General description

These cellulose filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters are also available, which give improved flow rate and increased loading capacity compared to equivalent flat filters.

Grade 597: 4-7 μm (medium fast filter paper)

A medium fast filter paper with medium to fine particle retention. Used for a wide variety of analytical routine applications in different industries like food testing (e.g., determination of fat content) or removal of carbon dioxide and turbidity from beverages (e.g., beer analysis).

Other Notes

Field of Use : For internal research use only. Products are not intended for diagnostic use or resale.

Legal Information

Whatman is a registered trademark of Cytiva
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