Whatman 1444-125 Ashless Quantitative Filter Paper, 12.5cm Diameter, 3 Micron, Grade 44 (Pack of 100)

★★★★★ 4.5 97 reviews

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Product details

Management number 220371913 Release Date 2026/05/03 List Price US$29.52 Model Number 220371913
Category

Thin version of Grade 42 retaining very fine particles but with lower ash weight per sample and almost twice the flow rate as Grade 42. Retention: 3µm. Diameter: 12.5cm. 100/Pack. Whatman #: 1444-125.

  • Diameter: 12.5cm
  • Retention: 3µm
  • Grade number 44 filter paper is the thin version of grade 42
  • Retains very fine particles but with lower ash weight per sample
  • Almost twice the flow rate as Grade 42
Item Weight 3.2 ounces
Manufacturer Whatman
Item model number F1245-4
Package Dimensions 5.1 x 5.1 x 0.3 inches
National Stock Number 6640-00-252-5205

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