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Filter Circles, Qualitative, Grade 540
Cytiva
Cytiva
The general purpose hardened ashless filter paper with medium retention and flow rate. Extremely pure and strong with a hard surface. High chemical resistance to strong acid and alkali. Frequently used in the gravimetric analysis of metals in acid / alkali solutions and in collecting hydroxides after precipitation by strong alkalis.
| Description: | medium |
| Particle retention in liquid: | 8 µm |
| Filtration speed Herzberg: | 200 s |
| Ash content: | < 0.006 % |
| Typical thickness: | 160 µm |
| Basis weight: | 88 g / m2 |
| Filter type: | filter circle |
| Filtration time~[s]: | 200.00 |
| Type | Höhe | PU | Order No. | CDC |
|---|---|---|---|---|
| Grade 540 | 21.00 | 100 | 5428661 | 1 |
| Grade 540 | 24.00 | 100 | 5428662 | 1 |
| Grade 540 | 42.50 | 100 | 5428650 | 1 |
| Grade 540 | 55.00 | 100 | 5428651 | 1 |
| Grade 540 | 90.00 | 100 | 5428653 | 1 |
| Grade 540 | 110.00 | 100 | 5428654 | 1 |
| Grade 540 | 125.00 | 100 | 5428655 | 1 |
| Grade 540 | 150.00 | 100 | 5428656 | 1 |
| Grade 540 | 185.00 | 100 | 5428657 | 1 |
| Grade 540 | 240.00 | 100 | 5428658 | 1 |
| Grade 540 | 320.00 | 1 | 5428660 | 1 |
| Particle Retention Rating at 98 % efficiency. |
| Ash is determined by ignition of the cellulose filter at 900 °C in air. |
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