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Cytiva Whatman™ Quantitative Filter Paper: Grade 42 Circles

Filters and retains extremely small particles. Whatman™ Quantitative Filter Paper: Grade 42 Circles are suitable for processes that require ashing.

Supplier:  Cytiva 1442150

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Catalog No. 09-855E


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Description

Description

Filters and retains extremely small particles. Whatman™ Quantitative Filter Paper: Grade 42 Circles are suitable for processes that require ashing.

Ashless grades are very pure filters suitable for a wide range of critical analytical filtration procedures. Whatman™ quantitative filter papers are designed for gravimetric analysis and the preparation of samples for instrumental analysis.
  • Ashless: 0.007% ash maximum
  • Fine (2.5 ÎĽm) nominal particle retention rating, eliminates large particles that might otherwise interfere with sensitive instrumentation
  • Herzberg filtration speed of 1870 s
  • Commonly used as a calcium carbonate filter

Greener Choice Claims
  • Environmental benefits include:
    • Recyclable
Specifications

Specifications

96 s/100 mL/in2
Ashless
Cotton Linters
2.5 ÎĽm
Slow
Grade 42
100 Pk.
Quantitative Filter Paper
150 mm
Grade 42 Ashless Filter Paper for Instrumental Analysis, 150 mm circle (100 pcs)
Disc
2.5 ÎĽm
1870 sec.
Designed for gravimetric analysis and the preparation of samples for instrumental analysis.For critical gravimetric analysis with the finest particle retention.
Fine
200 ÎĽm
5.9 in.
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