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Fisherbrand™ Qualitative Grade Plain Filter Paper Circles and Sheets - P4 Grade

Ideal for clarifying and removing particles of 1μm and larger, and in applications that do not require a low-ash or ashless paper

$9.72 - $132.66

Specifications

Format Circle
Grade P4
Porosity Medium Fine
Flow Rate Slow: 25mL/min.
For Use With (Application) General purpose: slightly slower, more retentive than P5. Retains MgNH4PO4, silver sulfide, cadmium sulfide. In air monitors, collects particulates and chromic acid mist
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Products
Catalog Number Mfr. No. Diameter (Metric) Price Quantity    

09-803-6A

  Accessories
fisherbrand™
09-803-6A
4.25cm Pack of 100 Each for $9.72

09-803-6B

  Accessories
fisherbrand™
09-803-6B
5.5cm Pack of 100 Each for $11.83

09-803-6D

  Accessories
fisherbrand™
09-803-6D
9cm Pack of 100 Each for $11.14

09-803-6C

  Accessories
fisherbrand™
09-803-6C
7cm Pack of 100 Each for $14.10

09-803-6E

  Accessories
fisherbrand™
09-803-6E
11cm Pack of 100 Each for $14.10

09-803-6F

  Accessories
fisherbrand™
09-803-6F
12.5cm Pack of 100 Each for $17.76

09-803-6G

  Accessories
fisherbrand™
09-803-6G
15cm Pack of 100 Each for $20.10

09-803-6J

  Accessories
fisherbrand™
09-803-6J
20.5cm Pack of 100 Each for $120.28

09-803-6H

  Accessories
fisherbrand™
09-803-6H
18.5cm Pack of 100 Each for $58.24

09-803-6K

  Accessories
fisherbrand™
09-803-6K
24cm Pack of 100 Each for $132.66
Description & Specifications

Specifications

Format Circle
Grade P4
Porosity Medium Fine
Flow Rate Slow: 25mL/min.
For Use With (Application) General purpose: slightly slower, more retentive than P5. Retains MgNH4PO4, silver sulfide, cadmium sulfide. In air monitors, collects particulates and chromic acid mist
Particle Retention 4 to 8μm

  • Cellulose fiber papers
  • Available as circular, rectangular, and square sheets
  • Good wet strength
  • Suitable for gravity, vacuum filtration systems and low suction filtration
  • Particle Retention: 4–8μm
  • Medium-fine porosity
  • Filtration Speed: Herzberg, 730 sec.
  • Flowrate: Slow—25mL/min.
  • Surface: Smooth

Not suitable for nitrogen analysis.

Applications:

General purpose: slightly slower, more retentive than P5. Retains MgNH4PO4, silver sulfide, cadmium sulfide. In air monitors, collects particulates and chromic acid mist.