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  5. Cytiva Whatman™ Quantitative Filter Paper: Grade 42 Circles

Cytiva Whatman™ Quantitative Filter Paper: Grade 42 Circles

Product Code. 11392955
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Diameter (Metric):
42.5 mm
47 mm
55 mm
70 mm
90 mm
110 mm
125 mm
150 mm
185 mm
240 mm
320 mm
Unit Size:
Pack of 100
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Product Code. Diameter (Metric) unitSize
11392955 110 mm Pack of 100
11352955 42.5 mm Pack of 100
11340474 47 mm Pack of 100
10586921 55 mm Pack of 100
11372955 70 mm Pack of 100
10740783 90 mm Pack of 100
11302965 125 mm Pack of 100
11312965 150 mm Pack of 100
11322965 185 mm Pack of 100
11332965 240 mm Pack of 100
11330474 320 mm Pack of 100
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Product Code. 11392955 Supplier Cytiva Supplier No. 1442110
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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 μm) 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

TRUSTED_SUSTAINABILITY

Specifications

Airflow Rate 96 s/100 mL/in2
Description Grade 42 Ashless Filter Paper for Instrumental Analysis, 110 mm circle (100 pcs)
Filter Type Ashless
Format Disc
Material Cotton Linters
Pore Size 2.5 μm
Filtration Speed 1870 sec.
Flow Rate Slow
For Use With (Application) Designed for gravimetric analysis and the preparation of samples for instrumental analysis.For critical gravimetric analysis with the finest particle retention.
Grade Grade 42
Porosity Fine
Quantity 100 Pk.
Thickness (Metric) 200 μm
Type Quantitative Filter Paper
Diameter (English) 4.33 in.
Diameter (Metric) 110 mm
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