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WHA10314871

Whatman® prepleated qualitative filter paper for technical use, Grade 1574 1/2

roll, W × L 70 mm × 100 m, pack of 4

Synonym(e):

Z749427

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About This Item

UNSPSC-Code:
41104900
NACRES:
NB.24

Materialien

cellulose
roll

Leistungsmerkmale

Grade 1574 1/2

Verpackung

pack of 4

Hersteller/Markenname

Whatman 10314871
Whatman Article No. 28414367 (US reference)

Parameter

85 sec/100 mL speed (Herzberg)

B × L

70 mm × 100 m

Dicke

160 μm

Porengröße

7-12 μm (Particle retention)

Grundgewicht

90 g/m2

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Allgemeine Beschreibung

Time-saving Whatman qualitative grades are offered in this convenient form, which gives major advantages over flat circles:

  • Savings in time required to quadrant-fold circles to fit conical filter funnels in repetitive or multiple analyses
  • Decreased overall filtration time because of the extra surface area exposed; the normal slow down of filtration speed due to the loading of particulate is postponed
  • Increased total loading capacity as more filter area is available
  • Maintained flow rate due to the reduction in filter paper contact with funnel side and, the self-supporting shape of the filter itself
  • The prepleating does not significantly affect any of the technical data and the same figures may be used for the flat circles

Grade 1574 ½ : 7-12 μm (medium fast, very low fiber release filter paper)

A medium fast filter paper with high wet strength. Resistant against: sulfuric and nitric acid solutions (up to 40% at 50°C), hydrochloric (up to 10% at 100°C, 20% at 60°C, 25% at 20°C), alkalis (up to 10% at 20°C).

Leistungsmerkmale und Vorteile

  • Savings in time required to quadrant-fold circles to fit conical filter funnels in repetitive or multiple analyses.
  • Decreased overall filtration time because of the extra surface area exposed; the normal slow down of filtration speed due to the loading of particulate is postponed.
  • Increased total loading capacity as more filter area is available.
  • Maintained flow rate due to the reduction in filter paper contact with funnel side and the self-supporting shape of the filter itself.
  • The prepleating does not significantly affect any of the technical data, and the same figures may be used for the flat circles.

Sonstige Hinweise

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

Rechtliche Hinweise

Whatman is a registered trademark of Cytiva

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