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Cytiva Fogli e cerchi di carta quantitativa senza ceneri 2
Per il filtraggio e la ritenzione di particelle estremamente piccole. La carta da filtro quantitativa Whatman™ grado 42 è inoltre adatta per i processi con ceneri.
Marca: Cytiva 1442-320
Dettagli aggiuntivi : Peso : 0.91000kg
Descrizione
Filters and retains extremely small particles. Whatman™ Quantitative Filter Paper: Grade 42 Circles are suitable for processes that require ashing.
Ashless grades are very pure filters suitable for a wide range of critical analytical filtration procedures. Whatman™ quantitative filter papers are designed for gravimetric analysis and the preparation of samples for instrumental analysis.- Ashless: 0.007% ash maximum
- Fine (2.5 μm) nominal particle retention rating, eliminates large particles that might otherwise interfere with sensitive instrumentation
- Herzberg filtration speed of 1870 s
- Commonly used as a calcium carbonate filter
Specifica
| 96 s/100 mL/in2 | |
| Disc | |
| 2.5 μm | |
| 1870 sec. | |
| Designed for gravimetric analysis and the preparation of samples for instrumental analysis.For critical gravimetric analysis with the finest particle retention. | |
| Fine | |
| 200 μm | |
| 320 mm |
| Grade 42 Ashless Filter Paper for Instrumental Analysis, 320 mm circle (100 pcs) | |
| Cotton Linters | |
| 2.5 μm | |
| Slow | |
| Grade 42 | |
| 100 Pack | |
| Ashless |