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Cytiva Whatman™ Qualitative Filter Paper: Grade 541 Sheets
Recommended when fast filtration of a gelatinous precipitate for gravimetric analysis is performed on a strongly acidic or alkali solution. Quantitative Filter Paper: Grade 541 Sheets are acid hardened cellulose filters, which reduces ash to an extremely low level.
Marca: Cytiva 1541-917
Dettagli aggiuntivi : Peso : 1.94000kg
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
| Sheet | |
| Herzberg 34 sec. | |
| For wide range of critical analytical filtration operations | |
| 155 μm |
| 22 μm | |
| Fast | |
| Grade 541 | |
| 460 × 570mm |