Industrial & Scientific > Lab Filters > Quantitative Filter Paper

Whatman 1004-125 Quantitative Filter Paper Circles, 20-25 Micron, 3.7 s/100mL/sq inch Flow Rate, Grade 4, 125mm Diameter (Pack of 100)

Product ID: B00394F9Q4 Condition: New

Selected Option: 12.5cm

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Product Description

12.5cm
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

This Whatman 12.5cm, grade 4, cellulose filter paper is used in qualitative analytical techniques to determine and identify materials. It is extremely fast filtering. It provides excellent retention of coarse particles (20-25Âµm) and gelatinous precipitates such as ferric hydroxide and aluminium hydroxide. It is very useful as a rapid filter for routine cleanup of biological fluids or organic extracts during analysis. This filter paper is used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical. Retention: 20-25Âµm. Dimensions: 12.5cm. 100/Pack. Whatman #: 1004-125.