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Cytiva Grade 540 Quantitative Filter Papers, Hardened Ashless
Well suited for quantitative or gravimetric analysis of strongly acidic or alkaline samples and in the collection of hydroxides. Whatman™ Grade 540 Quantitative Filter Papers, Hardened Ashless is a high-purity, acid-treated cellulose lab filter paper with high mechanical strength.
Marca: Cytiva 1540-320
Dettagli aggiuntivi : Peso : 0.84000kg
Descrizione
Whatman hardened, ashless Grade 540 lab filter paper is frequently used as a gravimetric filter. The acid-treated surface prevents tearing during filtration and allows the user to scrape precipitates from the paper.
- Acid-treated for high wet-strength
- Extremely low ash content (0.006% ash maximum)
- α-Cellulose Content: ≥98% min.
- Nominal particle retention of 8μm
- Medium flow rate (Herzberg filtration speed 200 s)
- High chemical resistance to strong acid and alkali suspensions
Specifica
| 13 s/100 mL/in2 | |
| Disc | |
| 8 μm | |
| Frequently used in the gravimetric analysis of metals in acid/alkali solutions and in collecting hydroxides after precipitation by strong alkalis. | |
| 100 Pack | |
| Hardened Ashless |
| Grade 540 Ashless General Lab Filter Paper, 320 mm circles (100 pcs) | |
| Cotton Linters | |
| 97mL/min | |
| Grade 540 | |
| 160 μm | |
| 320 mm |