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.

Overview
£10.15 valid until 31/12/2016
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Brand: Whatman™

Manufacturer Part Number: 1442-090

X100 FILTER PAPERS, NO.42 DIAMETER 9CM(1442 090)(PACK OF 100)

UNSPSC: 41104929

Code: 69

Additional Details:
Additional Details: Weight: 0.07000kg



Product Code. 10740783

Quantity Price
1 £ 29.35 / Pack of 100
10 £ 23.48 / Pack of 100
In Stock 8
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  • Description and Specification
  • Alternative Products
  • Documentation
  • Special Offers
Description and Specification

Specification

Quantity 100Pack
Grade 42
Material High-quality Cotton Linters
Pore Size (Metric) 2.5μm
Format Circle
Thickness (Metric) 200μm
Porosity Fine
Diameter (Metric) 90mm
For Use With (Application) Highly retentive, for very fine precipitates. Normal loading; limited wet strength. Laboratory standard for critical gravimetric analysis
Flow Rate Slow

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

Alternative Products
Documentation Special Offers