Whatman™ Quantitative Filter Paper: Grade 42 Sheets

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

Overview
Brand: Whatman™

Manufacturer Part Number: 1442-6551

X100 GRADE 42 SHEETS25.4X90MM

UNSPSC: 41120000

Code: A0

Additional Details:
Additional Details: Weight: 0.01100kg



Product Code. 11370474

Quantity Price
1 £ 25.87 / Pack of 100
Estimated Shipment
07-03-2017
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Description and Specification

Specification

Width (Metric) 90mm
Length (Metric) 254mm
Format Sheet
Grade 42
Thickness 200μmm
Pore Size (Metric) 2.5μmm

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