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Qualitative Filter Paper 15 cm Quadrant Folded Filter Paper, Qualitative Grade 1 - ZENPORE Medium Flow 150 mm (50 Discs)

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$10.70

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1.Size:12.5 Cm Diameter


  • GRADE 1 Q : 15cm - Equivalent to Whatman qualitative grade 1 FF, quadrant folded filter paper (150mm)
  • PREFOLDED - No more folding! These pre-folded Quadrant filters are ready for the funnel
  • LAB FILTER - Routinely used in lab to determine fat content, extract solids and clarify liquids
  • CHEMISTRY CLASS - Filter paper can teach basic qualitative separations and paper chromatography
  • MEDIUM RETENTION / MEDIUM FLOW - Retains medium crystalline particles (10~15 micron)


GRADE 1 Q QUADRANT Qualitative Filter Paper
Equivalent to Whatman grade 1 FF, this pre-folded filter paper is commonly used in labs where you need to separate a solid or precipitate from the filtrate.
Made from high alpha-cellulose cotton, this standard lab filter is not intended for ashing.

APPLICATIONS

  • science : Routine qualitative analytical separations and liquid clarification in labs
  • food : Solid foodstuffs separation and liquid extraction, fat content determination
  • beverage : Analysis and filtration of dense liquids like fruit pulps, musts, syrups, oil or plant extracts
  • agriculture : Soil analysis and seed testing
  • environment : Medium particles collection for pollution monitoring (stain intensity)
  • education : Basic qualitative separations teaching and paper chromatography

    MEDIUM RETENTION
    Retains medium-fine crystalline precipitates like:

    • Sulfates (Pb, coarse form of Ba and Ca)
    • Carbonates (Ba, Ca)
    • Phosphates (Al, Pb, Struvite)
    • Chromates (Fe, As, Pb)
    • Ca Oxalate (hot), Pb Oxide

      • paper : pure cotton cellulose
      • flow : medium
      • retention : 10~15 μm (medium)
      • speed : 30~35 s (10ml DIN 53137)
      • size : ⌀ 150 mm
      • thickness : 150 μm
      • weight : 86 g/m²
      • ash : 0.1%
      • qty : 50 discs

        PRE-FOLDED
        These         Quadrant Folded Filters saves folding time when filtration is done repetitively.
        Use our pleating equivalent         ST001-150v for even faster filtration.
        Suitable for gravity filtration in standard funnels, not vacuum.

        EQUIVALENCE & SIZE
        See the cross-reference table and size diagrams in the photos to choose the appropriate reference and diameter of your circles.