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Cytiva Carte per analisi quantitativa
Per filtrazioni analitiche critiche. Le carte quantitative Cytiva Whatman™ sono temprate con acido, per ridurre le ceneri a un livello estremamente basso.
Marca: Cytiva 1541-125
Descrizione
Recommended when fast filtration of a gelatinous precipitate for gravimetric analysis is performed on a strongly acidic or alkali solution. Whatman™ Quantitative Filter Paper: Grade 541 Circles are acid hardened cellulose filters, which reduces ash to an extremely low level.
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
3 s/100 mL/in2 | |
Hardened Ashless | |
Cotton Linters | |
ASTM, 12 secondi; Herzberg, 34 secondi | |
Superficie liscia, resistente. Precipitati gelatinosi grossolani. Utile negli stadi intermedi dell'analisi gravimetrica | |
Grossolano | |
155 μm | |
4.92 in. |
Grade 541 Ashless Fast Filter Paper, 125 mm circles (100 pcs) | |
Disc | |
Da >20 a 25μmm | |
359mL/min | |
Grade 541 | |
100/conf. | |
Quantitative Filter Paper | |
12.5 cm |
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