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  5. Fisherbrand™ Quantitative Grade Filter Paper Circles

Fisherbrand™ Quantitative Grade Filter Paper Circles

Catalog No. p-114232
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Diameter (Metric):
5.5 cm
7 cm
9 cm
11 cm
12.5 cm
15 cm
18.5 cm
Particle Retention:
1 to 5 μm
20 to 25 μm
5 to 10 μm

Description

Manufactured to reduce silicon dioxide, calcium oxide and ferric oxide levels

  • Made from high-quality alpha cotton cellulose, washed in hydrochloric acid and neutralized in an ultrapure water rinse
  • Leave no more than 0.01% ash when burned
  • Limited wet strength, suitable for gravity or low-suction filtration; should be used with care to avoid rupturing

Order Info

Packed 100 circles to a box and shrink-wrapped for purity and cleanliness.

Compliance

All papers listed in chart meet ASTM™ requirements for ash content per circle.

TRUSTED_SUSTAINABILITY

Specifications

Format Disc
Material Alpha Cotton Cellulose
Particle Retention 5 to 10 μm
Flow Rate Medium
For Use With (Application) Widely used for general gravimetric analysis. Retains medium-sized particles such as lead sulfate, calcium oxalate and magnesium ammonium sulfate. Limited wet strength.
Grade Q5
Porosity Medium
Quantity 100/Pk.
Diameter (Metric) 18.5 cm
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