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Cytiva Quantitative Filter Paper: Grade 541 Circles
Per filtrazioni analitiche critiche. Le carte quantitative Cytiva Whatman™ sono temprate con acido, per ridurre le ceneri a un livello estremamente basso.
Marca: Cytiva 1541-400
Dettagli aggiuntivi : Peso : 0.10000kg
Descrizione
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.- Large nominal particle retention for fast analytical filtration.
- High wet-strength
- High chemical resistance to strong acid and alkali suspensions
- Retention of gelatinous precipitate
- 22 μm nominal particle retention rating
- Fast flow rate (Herzberg filtration speed 34 s)
- Maximum of 0.006% ash concentration
- Quantitative determination of milk sediment
- Use as an animal foodstuff filter for determining fiber content
- Determination of gelatin content in milk and cream
- Quantification of chloride in cement, as well as chloride and phosphorous in coal and coke
Specifica
| >20 a 25 μmm | |
| Superficie liscia, resistente. Precipitati gelatinosi grossolani. Utile negli stadi intermedi dell'analisi gravimetrica | |
| Grossolano | |
| 40 cm |
| ASTM, 12 secondi; Herzberg, 34 secondi | |
| 541 | |
| 100/conf. |