4376292
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.
Manufacturer: Fischer Scientific
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Airflow Rate
13 s/100 mL/in2
Format
Disc
Particle Retention
8 μm
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.
Porosity
Medium
Thickness (Metric)
160 μm
Filter Type
Hardened Ashless
Material
Cotton Linters
Filtration Speed
ASTM, 55 seconds; Herzberg, 200 seconds
Grade
Grade 540
Quantity
100/Pk.
Type
Quantitative Filter Paper
Related Products
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)
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Airflow Rate: 13 s/100 mL/in2
Format: Disc
Particle Retention: 8 μm
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.
Porosity: Medium
Thickness (Metric): 160 μm
Filter Type: Hardened Ashless
Material: Cotton Linters
Filtration Speed: ASTM, 55 seconds; Herzberg, 200 seconds
Grade: Grade 540
Quantity: 100/Pk.
Type: Quantitative Filter Paper
Airflow Rate:
13 s/100 mL/in2
Format:
Disc
Particle Retention:
8 μm
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.
Porosity:
Medium
Thickness (Metric):
160 μm
Filter Type:
Hardened Ashless
Material:
Cotton Linters
Filtration Speed:
ASTM, 55 seconds; Herzberg, 200 seconds
Grade:
Grade 540
Quantity:
100/Pk.
Type:
Quantitative Filter Paper
Airflow Rate: __
Format: Sheet
Particle Retention: __
For Use With (Application): Testing medium-large and coated seeds (e.g., sugar beet, fodder beet, grain, sunflower, rapeseed, mustard)
Porosity: __
Thickness (Metric): 0.22 mm
Filter Type: __
Material: Cellulose
Filtration Speed: __
Grade: Pleated
Quantity: __
Type: __
Airflow Rate:
__
Format:
Sheet
Particle Retention:
__
For Use With (Application):
Testing medium-large and coated seeds (e.g., sugar beet, fodder beet, grain, sunflower, rapeseed, mustard)
Porosity:
__
Thickness (Metric):
0.22 mm
Filter Type:
__
Material:
Cellulose
Filtration Speed:
__
Grade:
Pleated
Quantity:
__
Type:
__
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Format: __
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For Use With (Application): __
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Type: Replacement Part
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For Use With (Application):
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Material:
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Filtration Speed:
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Grade:
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Type:
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