GE Healthcare Whatman Quantitative Filter Paper: Grade 42 Circles
Filters and retains extremely small particles. Whatman Quantitative Filter Paper: Grade 42 Circles are suitable for processes that require ashing.
Manufacturer: GE Healthcare 1442320
DescriptionAshless 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
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|Grade 42 Ashless Filter Paper for Instrumental Analysis, 320 mm circle (100 pcs)|
|GE’s Whatman Grade 42 quantitative papers have the finest retention of all Whatman ashless filter paper grades. Grade 42 is designed for gravimetric analysis and sample preparation for instrumental analysis.|
|Designed for gravimetric analysis and the preparation of samples for instrumental analysis. For critical gravimetric analysis with the finest particle retention.|
|96 s/100 mL/in2|
|High-quality cotton linters|
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