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Quantitative Ashless Filter Paper | Cytiva/Whatman
The Industry Standard for High-Purity Filtration
- Quantitative filter papers are designed for sample preparation and gravimetric analysis.
- Typically selected based on surface toughness and ash content required for the filtration procedure.
- Acid-treated to reduce ash content, often to less than 0.01%, ensuring accuracy in quantitative analyses.
- Low ash content minimizes residue, preventing interference in downstream measurements.
- Filter paper can be ignited and burned off after use, leaving minimal residue.
Whatman™ Grade 40 Quantitative Filter Papers, Ashless, Circles (100/PK)Suitable for a variety of analytical filtration applications Learn MoreAs low as $37.35Part Number: 1440-Dxx-Series
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Whatman™ Grade 41 Quantitative Filter Papers, Ashless, Circles (100/PK)Well suited for quantitative analysis of soil and air Learn MoreAs low as $28.36Part Number: 1441-Dxx-Series
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Whatman™ Grade 42 Quantitative Filter Paper, Ashless, Circle (100/PK)Suitable for a wide range of critical analytical filtration procedures Learn More$61.80Part Number: 1442-110
Cross Reference(s): 28480-106 | 09-855C [Fisher]
Whatman™ Grade 541 Quantitative Filter Papers, Hardened Ashless, Circles (100/PK)Acid hardened cellulose filter paper Learn MoreAs low as $35.86Part Number: 1541-Dxx-Series
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