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Whatman 1442-110

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Whatman Quantitative Filter Papers, Ashless, Grade 42, 11 cm, 100/pk

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$90.95

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MFR:
1442-110
Medex SKU:
WTM-1442-110
Packing Info:
100/pk
Usually Ships:
1 - 2 Business Days
Freight Quote Button:
False

Description

Whatman Quantitative Grade Papers:


  • Ashless: 0.007% ash maximum for Grades 40 to 44 and a maximum of 0.01% for the 589 Grades - very pure filters suitable for a wide range of critical analytical filtration procedures.

  • Acid hardened to give high wet strength and chemical resistance with extremely low ash content.

  • The tough surface makes these filters suitable for a wide range of critical filtration procedures.

  • Particle Retention: >2.5µm.

  • Porosity: Medium.

  • Filtration Speed: ASTM, 240 seconds; Herzberg, 1870 seconds.

  • Surface: Smooth, dense texture.

  • Applications: Highly retentive, for very fine precipitates. Normal loading; limited wet strength. Laboratory standard for critical gravimetric analysis.

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