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Cytiva Whatman™ Quantitative Filter Paper: Grade 540 Circles

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.

$44.35 - $383.00

Specifications

Airflow Rate 13 s/100 mL/in2
Format Disc
Material Cotton Linters
Particle Retention 8 μm
Filtration Speed ASTM, 55 seconds; Herzberg, 200 seconds
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Products 10
Catalog Number Mfr. No. Diameter (Metric) Price Quantity & Availability  
Catalog Number Mfr. No. Diameter (Metric) Price Quantity & Availability  
09-869B
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Cytiva
1540321
21 mm
Pack of 100 for $44.35
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09-869C
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Cytiva
1540324
24 mm
Pack of 100 for $46.95
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09-869A
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Cytiva
1540042
42.5 mm
Pack of 100 for $46.95
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09-869D
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Cytiva
1540055
55 mm
Pack of 100 for $52.40
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09-869F
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Cytiva
1540090
90 mm
Pack of 100 for $86.10
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09-869G
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Cytiva
1540110
110 mm
Pack of 100 for $104.80
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09-869H
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Cytiva
1540125
125 mm
Pack of 100 for $113.10
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09-869J
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Cytiva
1540150
150 mm
Pack of 100 for $170.10
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09-869K
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Cytiva
1540185
185 mm
Pack of 100 for $220.00
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09-869L
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Cytiva
1540240
240 mm
Pack of 100 for $383.00
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Description

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 8μm
  • Medium flow rate (Herzberg filtration speed 200s)

Specifications

Specifications

13 s/100 mL/in2
Cotton Linters
ASTM, 55 seconds; Herzberg, 200 seconds
Grade 540
100/Pk.
Hardened Ashless
Disc
8 μm
Frequently used in the gravimetric analysis of metals in acid/alkali solutions and in collecting hydroxides after precipitation by strong alkalis.
Medium
160 μm
SDS
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Documents

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