Filtry jakościowe Grade 602 h ˝

Gęsty, składany papier filtracyjny do zbierania bardzo małych cząstek i usuwania drobnych osadów.
A dense prepleated filter paper for collecting very small particles and removing fine precipitates.

• 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.

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

Grade 602 h ½: < 2 µm
Used in sample preparation (e.g., in the beverage industry for residual sugar determination, acidic spectra, refractometric analysis, and HPLC). Also available in flat stock form as Grade 602 h.
Filtry jakościowe Grade 602 h ½
Grade Grade 602 h ½ 
Grade Type Folded (Prepleated) 
Particle Retention in Liquid Max. < 2 µm
Typical Thickness 160 µm
Basis Weight 84 g/m2
Filtration Speed (Herzberg) Approx. 375 s
Properties Slow; dense 
Application Used in sample preparation; e.g.; in the beverage industry for residual sugar determination; acidic spectra; refractometric analysis; and HPLC.
Product Product Name Diameter
10312642 Grade 602 h ½ Qualitative Filter Paper Folded (Prepleated); 90 mm 90 mm
10312644 Grade 602 h ½ Qualitative Filter Paper Folded (Prepleated); 125 mm 125 mm
10312645 Grade 602 h ½ Qualitative Filter Paper Folded (Prepleated); 150 mm 150 mm
10312647 Grade 602 h ½ Qualitative Filter Paper Folded (Prepleated); 185 mm 185 mm
10312651 Grade 602 h ½ Qualitative Filter Paper Folded (Prepleated); 240 mm 240 mm
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