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Cytiva Whatman™ Quantitative Filter Paper: Grade 42 Sheets
Filters and retains extremely small particles. Whatman™ Quantitative Filter Paper: Grade 42 Sheets are suitable for processes that require ashing.
Supplier: Cytiva 14426551
Description
Ashless grades are very pure filters suitable for a wide range of critical analytical filtration procedures. Whatman™ quantitative filter papers are designed for gravimetric analysis and the preparation of samples for instrumental analysis.- Ashless: 0.007% ash maximum
- Fine (2.5 μm) nominal particle retention rating, eliminates large particles that might otherwise interfere with sensitive instrumentation
- Herzberg filtration speed of 1870 s
- Commonly used as a calcium carbonate filter
Specifications
| 96 s/100 mL/in2 | |
| Sheet | |
| 2.5 μm | |
| 1870 sec. | |
| Grade 42 | |
| Ashless | |
| 90 mm |
| Grade 42 Quantitative Filter Paper Ashless (Ash 0.007%), sheet, 25.4 Ã 90 mm | |
| Cotton Linters | |
| 2.5 μm | |
| Designed for gravimetric analysis and the preparation of samples for instrumental analysis.For critical gravimetric analysis with the finest particle retention. | |
| 200 μm | |
| 25.4 mm |