WHATMAN Grade 5 Qualitative Filter Paper

GE Healthcare Life Sciences
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.
• Typical Properties

Description Slow
Particle Retention in Liquid (μm) 2.5
Filtration Speed (approx) Herzberg (s)  1420
Air Flow (s/100 ml/in²) 94
Typical Thickness (μm)    200
Basis Weight (g/m²) 98

• Ordering Information – Qualitative Filter Circles

Diameter (mm) Catalog Number Quantity/Pack
25 1005-325 100
42.5 1005-042 100
47 1005-047 100
55 1005-055 100
70 1005-070 100
90 1005-090 100
110 1005-110 100
125 1005-125 100
150 1005-150 100
185 1005-185 100
240 1005-240 100
320 1005-320 100
500 1005-550 100

• Ordering Information - folded (prepleated) grades

Diameter (mm) Catalog Number Quantity/Pack
185 1205-185 100

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