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- Model Grade 1V - Qualitative Filter Papers, Fluted

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Whatman Grade 1V lab filter paper from GE Healthcare’s Life Sciences business is a widely used pre-folded filter for many general filtration applications.

Whatman Grade 1V lab filter paper from GE Healthcare’s Life Sciences business is a widely used pre-folded filter for many general filtration applications.

  • Nominal particle retention rating of 11 µm supports general filtration
  • Intermediate filtration speed (Herzberg 150 s)
  • Pre-folded filter for ease-of-use and time savings with conical filter funnels; avoids the need to quadrant-fold circles

GE offers a full line of qualitative papers in standard filter grades and wet-strengthened grades.

Whatman pre-folded general filter paper

As the pleated and pre-folded version of Whatman filter paper 1, Grade 1V is well suited for qualitative analysis in routine applications including:

  • Separations of lead sulfate, hot calcium oxalate, and calcium carbonate
  • Agriculture, for soil analysis
  • Food quality testing to separate solid foodstuffs from associated liquid
  • Education, to teach simple qualitative analysis

  • Grade1 : Grade 1V
  • Grade Type : Folded (Prepleated)
  • Dimensions : Ø 125 mm
  • Typical Particle Retention in Liquid2 : 11 µm 
  • Nominal Thickness : 180 µm
  • Typical water flow rate3 : 57 ml/min
  • Nominal Basis Weight : 87 g/m²
  • Nominal Ash Content4 : 0.06%
  • Material : Cellulose
  • Typical Trace Element Levels : Aluminium 3.6 µg/g Antimony <0.5 µg/g Arsenic <0.5 µg/g Barium <0.5 µg/g Boron <1 µg/g Calcium 27.5 µg/g Chromium 1 µg/g Copper 0.9 µg/g Iron 13.7 µg/g Lead <0.5 µg/g Magnesium 21 µg/g Manganese <0.5 µg/g Mercury <0.5 µg/g Potassium 6.2 µg/g Silicon 8.8 µg/g Sodium 32.3 µg/g Zinc 58.3 µg/g
  • Properties : Medium flow
  • Application : Used filter paper for routine applications with medium retention and flow rate. Covers a wide range of laboratory applications and is frequently used for clarifying liquids.
  • Supporting Analysis : Qualitative

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