GE Healthcare 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: GE Healthcare 1540324
DescriptionWhatman 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)
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|Grade 540 Ashless General Lab Filter Paper, 24 mm circles (100 pcs)|
|GE’s Whatman Grade 540 is a high-purity, acid-treated cellulose lab filter paper. Mechanically strong Grade 540 is well suited for quantitative or gravimetric analysis of strongly acidic or alkaline samples.|
|Frequently used in the gravimetric analysis of metals in acid/alkali solutions and in collecting hydroxides after precipitation by strong alkalis.|
|High-quality cotton linters|
|13 s/100 mL/in2|
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