9 cm Ahlstrom 642 (Box)


5,000 Papers per Box

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Box of 5,000 9 cm diameter, Ahlstrom Grade 642 pre-folded filter papers.

Qualitative filter paper for precipitate removal and qualitative analysis preparation. Ideal for a wide range of laboratory applications including liquid clarification, qualitative analytical separation for precipitates and buffer filtration, soil analysis, and food and beverage testing.

  • High content of alpha-cellulose
  • Low ash content
  • High purity and consistent performance

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Additional information

Weight 8 lbs
Dimensions 20 × 8 × 4 in