Filter papers-round filters
For quantitative analysis. Made of noble cellulose washed in acid and linters with α-cellulose content of over 95 %. Ash content 0.01 %. Temperature stable up to +130 °C. gsm substance 85 g/m 2 . Filtration time acc. to DIN 53137.
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Quick filtering, filtration time 9s
Equivalent black band. Soft filter, loosely structured. Ideal for coarses sediments such as ferric/aluminium hydroxide, bismuth/copper/ferric sulphide, nickel/diacetyldioxine, etc. Standard filter for Si-analysis. Retention range: >8 µm. |
| Article | Ø (mm ) | Type | Thickness (mm) | Pack Qty↵. | |||
| A780.1 | 70 | MN 640 w | 0,2 | 100 | |||
| A781.1 | 90 | MN 640 w | 0,2 | 100 | |||
| A782.1 | 110 | MN 640 w | 0,2 | 100 | |||
| A783.1 | 125 | MN 640 w | 0,2 | 100 | |||
| A784.1 | 150 | MN 640 w | 0,2 | 100 |
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Medium filtering, filtration time 27s
Equivalent white band. Ideal for sediments such as sulphides, lead chromate, calcium oxalate. Typical fields of application: Gravimetric analysis, quantitative analysis of residue and purification processes. Retention range: >4 µm. |
| Article | Ø (mm ) | Type | Thickness (mm) | Pack Qty↵. | |||
| A785.1 | 70 | MN 640 m | 0,2 | 100 | |||
| A786.1 | 90 | MN 640 m | 0,2 | 100 | |||
| A787.1 | 110 | MN 640 m | 0,2 | 100 | |||
| A788.1 | 125 | MN 640 m | 0,2 | 100 | |||
| A789.1 | 150 | MN 640 m | 0,2 | 100 |
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Slow filtering, filtration time 140s
Equivalent blue band. Dense filters for all fine and extra fine sediments. Retention range: >2 µm. |
| Article | Ø (mm ) | Type | Thickness (mm) | Pack Qty↵. | |||
| A790.1 | 70 | MN 640 d | 0,2 | 100 | |||
| A791.1 | 90 | MN 640 d | 0,2 | 100 | |||
| A792.1 | 110 | MN 640 d | 0,2 | 100 | |||
| A793.1 | 125 | MN 640 d | 0,2 | 100 | |||
| A794.1 | 150 | MN 640 d | 0,2 | 100 |
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