Whatman – Quantitative Filter Paper Circles, 20-25 Micron, 3.7 s/100mL/sq inch Flow Rate, Grade 4, 90mm Diameter (1004-090)

Specifications :

Item Weight : 2.88 ounces
Material : cellulose paper
Model Number : F1060-4
Number of Items : 100
Part Number : 1004-090
Size : 9.0cm

 

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Deskripsi

Whatman – Quantitative Filter Paper Circles, 20-25 Micron, 3.7 s/100mL/sq inch Flow Rate, Grade 4, 90mm Diameter (1004-090)

  • 9.0cm
  • Grade 4
  • Used in qualitative analytical techniques to determine and identify materials
  • Extremely fast filtering; provides excellent retention of coarse particles (20-25µm) and gelatinous precipitates such as ferric hydroxide and aluminium hydroxide
  • Used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical

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