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Whatman filter paper # 595 1-2 - folded discs

grade 595:4-7 a


Pleated filter paper has major advantages over flat round filters:
  • time savings required to fold round filters into squares to fit the cone of filter funnels in repetitive or multiple analyzes
  • reduction of the overall filtration time thanks to the larger filtering surface; the normal slowing down of the filtration speed due to particle loading is delayed
  • increase of the total load capacity thanks to the greater filtering surface
  • maintenance of the filtration speed due to the reduced contact of the filter paper with the wall of the funnel and, of course, due to the self-standing shape of the filter itself
  • pleating does not significantly affect any technical data and the same data as for round filters are valid

Grade 595: 4-7 µm

Thin, very common, semi-fast to fast filter paper with medium to fine particle retention.

Used for many routine analytical applications in various industries, for example, for the separation of particles from food extracts for sample preparation or filtration of solid environmental samples (eg for ICP / AAS analysis).

Technical features

 

Degree

Grade 595½

Nominal retention of particles in liquids (at 98% efficiency)

4-7 µm

Nominal thickness

150 µm

Filtration rate (Herzberg)

80 s

Nominal base weight

68 g / m²

Material

Cellulose

Applications

Routine analytics, for example, for separating particles from food extracts for sample preparation or filtration of solid environmental samples (e.g. for ICP / AAS analysis).

Format

Discs

Pieces per pack

100 pieces

Code Description
48311641 Whatman filter paper n.595 1-2 - folded discs diam. 70 mm
48311642 Whatman filter paper n.595 1-2 - folded discs diam. 90 mm
48311643 Whatman filter paper n.595 1-2 - folded discs diam. 110 mm
48311644 Whatman filter paper n.595 1-2 - folded discs diam. 125 mm
48311645 Whatman filter paper n.595 1-2 - folded discs diam. 150 mm
48311647 Whatman filter paper n.595 1-2 - folded discs diam. 185 mm
48311649 Whatman filter paper n.595 1-2 - folded discs diam. 210 mm
48311651 Whatman filter paper n.595 1-2 - folded discs diam. 240 mm
48311652 Whatman filter paper n.595 1-2 - folded discs diam. 270 mm
48311653 Whatman filter paper n.595 1-2 - folded discs diam. 320 mm
48311654 Whatman filter paper n.595 1-2 - folded discs diam. 385 mm
48311656 Whatman filter paper n.595 1-2 - folded discs diam. 500 mm

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