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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 |
Catalog Number | Mfr. No. | Diameter (Metric) | Price | Quantity & Availability | |||||
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Catalog Number | Mfr. No. | Diameter (Metric) | Price | Quantity & Availability | |||||
09-869B
|
Cytiva
1540321 |
21 mm |
Pack of 100 for $44.35
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09-869C
|
Cytiva
1540324 |
24 mm |
Pack of 100 for $46.95
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09-869A
|
Cytiva
1540042 |
42.5 mm |
Pack of 100 for $46.95
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09-869D
|
Cytiva
1540055 |
55 mm |
Pack of 100 for $52.40
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09-869F
|
Cytiva
1540090 |
90 mm |
Pack of 100 for $86.10
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09-869G
|
Cytiva
1540110 |
110 mm |
Pack of 100 for $104.80
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09-869H
|
Cytiva
1540125 |
125 mm |
Pack of 100 for $113.10
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09-869J
|
Cytiva
1540150 |
150 mm |
Pack of 100 for $170.10
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09-869K
|
Cytiva
1540185 |
185 mm |
Pack of 100 for $220.00
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09-869L
|
Cytiva
1540240 |
240 mm |
Pack of 100 for $383.00
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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 8μm
- Medium flow rate (Herzberg filtration speed 200s)
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 |
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