Grade 591 Qualitative Filter Paper, Standard Grade, Sheet
A standard grade filter for fast filtration of medium to coarse precipitates.
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 591: 7-12 µm
A thick filter paper with very high loading capacity for fast filtration of medium to coarse precipitates. Offers high absorbency and increased wet strength.
Specifications:
- Grade: Grade 591
- Grade Type: Standard
- Diameter: 580 mm
- Dimensions: 580 x 580 mm (23 x 23 in)
- Particle Retention in Liquid Max.: 12 µm
- Typical Thickness: 350 µm
- Basis Weight: 161 g/m2
- Filtration Speed (Herzberg): Approx. 45s
- Air Flow Rate: 5.9 s/100 ml/in2
- Material: Cellulose
- Alpha Cellulose Content Min.: 98%
- Properties: Medium fast, thick
Ordering Information:
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Cat. No.
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Diameter (mm.)
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Qty.
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1031-1387
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Qualitative Filter Paper, 580 x 580 mm
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250/pk
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