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Cytiva Carte da filtro quantitative - Grado 542
Per filtrazioni analitiche critiche. Le carte quantitative Cytiva Whatman™ sono temprate con acido, per ridurre le ceneri a un livello estremamente basso.
Marca: Cytiva 1542-185
Dettagli aggiuntivi : Peso : 0.26000kg
Descrizione
Enables high retention of fine particles in chemically harsh conditions. Whatman™ Quantitative Filter Papers: Grade 542 Circles are well suited for use in capturing fine precipitates in applications such as metal determinations and hydroxide collection.
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 retention of fine precipitates in applications such as metal determinations and hydroxide collection
- Collection of trace elements and radionuclides from the atmosphere
- Nominal particle retention rating of 2.7 μm
- Herzberg filtration speed of 2510 s
- Extremely low ash content (0.006% ash maximum)
Specifica
| 64 s/100 mL/in2 | |
| Disc | |
| >2.7 μmm | |
| Determinazioni gravimetriche dei metalli. Trattiene particelle fini in condizioni impegnative. Carico normale; elevata resistenza all'umidità. | |
| Fine | |
| 150 μm | |
| 7.28 in. |
| Grade 542 Ashless Fine Precipitate FIlter, 185 mm circles (100 pcs) | |
| Cotton Linters | |
| ASTM, 250 secondi; Herzberg, 2510 secondi | |
| Grade 542 | |
| 100/conf. | |
| Hardened Ashless | |
| 18.5 cm |