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Key Documents

WHA10311812

Whatman® qualitative filter paper, Grade 597

circles, diam. 150 mm, pack of 100

Sinonimo/i:

Whatman filter, Whatman paper, Z133558, paper filter

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About This Item

Codice UNSPSC:
41104900
NACRES:
NB.24

Materiali

cellulose filters
circles

Confezionamento

pack of 100

Produttore/marchio commerciale

Whatman 10311812
Whatman Article No. 28414230 (US reference)

Parametri

70 sec/100 mL speed (Herzberg)

Diametro

150 mm

Spessore

180 μm

Dimensione pori

4-7 μm (Particle retention)

Grammatura

85 g/m2

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Categorie correlate

Descrizione generale

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).

Caratteristiche e vantaggi

  • 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.

Altre note

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

Note legali

Whatman is a registered trademark of Cytiva

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