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Whatman 1441-090

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Whatman Quantitative Filter Papers, Grade 41, 9 cm, 100/pk

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$63.95

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MFR:
1441-090
Medex SKU:
WTM-1441-090
Packing Info:
100/pk
Usually Ships:
1 - 2 Business Days
Freight Quote Button:
False

Description

Features of the Whatman Quantitative Filter Papers:
  • Suitable for gravity or low-suction filtration.

  • Acid washed: Ash content not exceeding 0.007%.

  • Meet ASTM "ash content per circle" requirements.

  • Manufactured with demineralized water for high purity.

  • Limited wet strength, use care to avoid rupturing.

  • Particle Retention: >20—25µm.

  • Porosity: Coarse.

  • Filtration Speed: ASTM, 12 seconds; Herzberg, 54 seconds.

  • Surface: Smooth, open texture.

  • Applications: Gelatinous precipitates and coarse particles. Metallurgy: iron and aluminum hydroxides. Air pollution monitoring. Normal loading; limited wet strength.

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