WHATMAN: Grade 6 Qualitative Filter Paper

Thick with a high loading capacity, Grade 6 provides similar particle retention to Grade 5 with twice the flow rate. It has high absorbency and increased wet strength, and is often specified for boiler water analysis.

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 6: 3 um (medium to slow filter paper)

Twice as fast as Grade 5 with similar fine particle retention. Often specified for boiler water analysis applications.

Properties

  • – Particle retention: 3µm
  • – Nominal thickness: 180 µm
  • – Nominal basis weight: 100 g/m2
  • – Nominal ash content: 0.06%

Applications

  • – Plant growth trials, where the extra absorbency is utilized to hold soil nutrient
  • – Contaminant monitoring in air and soil

Available Sizing

CODESizing DescriptionPack Size
1006-04242.5 mm diaWhatman® qualitative filter paper, Grade 6, circles, diam. 42.5 mm100 ea
1006-07070 mm diaWhatman® qualitative filter paper, Grade 6, circles, diam. 70 mm100 ea
1006-09090 mm diaWhatman® qualitative filter paper, Grade 6, circles, diam. 90 mm100 ea
1006-110110 mm diaWhatman® qualitative filter paper, Grade 6, circles, diam. 110 mm100 ea
1006-125125 mm diaWhatman® qualitative filter paper, Grade 6, circles, diam. 125 mm100 ea
1006-150150 mm diaWhatman® qualitative filter paper, Grade 6, circles, diam. 150 mm100 ea
1006-185185 mm diaWhatman® qualitative filter paper, Grade 6, circles, diam. 185 mm100 ea
1006-240240 mm diaWhatman® qualitative filter paper, Grade 6, circles, diam. 240 mm100 ea
9891-12812.5 cmWhatman® qualitative filter paper, Grade 6, Pyramid, H (12.5 cm)1000 ea

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