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  5. Cytiva Whatman™ Quantitative Filter Paper: Grade 540 Circles

Cytiva Whatman™ Quantitative Filter Paper: Grade 540 Circles

Product Code. 10072071
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Diameter (Metric):
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110 mm
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Unit Size:
Pack of 100
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Product Code. Diameter (Metric) unitSize
10072071 110 mm Pack of 100
11310514 21 mm Pack of 100
11320514 24 mm Pack of 100
11330514 42.5 mm Pack of 100
11332865 55 mm Pack of 100
10194111 90 mm Pack of 100
10586161 125 mm Pack of 100
10092081 150 mm Pack of 100
11342995 185 mm Pack of 100
11380504 240 mm Pack of 100
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Product Code. 10072071 Supplier Cytiva Supplier No. 1540110
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49.63 EUR valid until 2026-05-31
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Description

Use as a gravimetric filter during analysis of metals in acidic or alkaline solutions and in the collection of hydroxides. Whatman™ Quantitative Filter Paper: Grade 540 Circles acid-treated surface prevents tearing during filtration and allows the user to scrape precipitates from the paper.

Whatman hardened ashless quantitative filter papers are acid-hardened to give high wet strength and chemical resistance with extremely low ash content. They are suitable for a wide range of critical filtration procedures.
  • High-purity, acid-treated cellulose lab filter paper
  • Mechanically strong 
  • Well suited for quantitative or gravimetric analysis of strongly acidic or alkaline samples
  • Extremely low ash content (0.006% ash maximum)
  • Nominal particle retention of 8 μm
  • Medium flow rate (Herzberg filtration speed 200 s)

TRUSTED_SUSTAINABILITY

Specifications

Airflow Rate 13 s/100 mL/in2
Description Grade 540 Ashless General Lab Filter Paper, 110 mm circles (100 pcs)
Filter Type Hardened Ashless
Format Disc
Material Cotton Linters
Particle Retention 8 μm
Filtration Speed ASTM, 55 seconds; Herzberg, 200 seconds
For Use With (Application) Frequently used in the gravimetric analysis of metals in acid/alkali solutions and in collecting hydroxides after precipitation by strong alkalis.
Grade Grade 540
Porosity Medium
Quantity 100/Pk.
Thickness (Metric) 160 μm
Type Quantitative Filter Paper
Diameter (English) 4.33 in.
Diameter (Metric) 110 mm
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