Cytiva (Whatman) 1441-047 Ash Free Quantitative Filter Paper (Grade 41 47 mm, 1 Pack (100 Sheets))
| Manufaturer: | Cytiva (Whatman) |
| Model: | 1441-047 |
Product code
111-64760
Price
27.55 USD
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Description
- High purity, suitable for precise quantitative filtration analysis
- Maximum ash content 0.007%
- For applications requiring filter paper strength and chemical resistance, please consider low ash hard quantitative filter paper or ashless hard quantitative filter paper.
- It has the fastest filtration rate of any ashless filter paper and is recommended for the analysis of samples containing coarse particles or gelatinous precipitates (such as hydroxides of iron and aluminum). In quantitative air pollution analysis, it is also used as an impregnable paper tape for the measurement of gaseous mixtures at high flow rates.
- Note: For research and testing purposes only.
- Circular
- Features: High speed
- Particle retention capacity (liquid) (μm): 20*
- *Particle diameter at 98% retention efficiency.
- Filtration speed (Herzberg) (sec): 54
- Ash content (%): 0.007
- Ash content was measured by burning cellulose filter paper at 900°C in air.
- Thickness (μm): 220
- Gravimetric weight (g/m2): 85
- - Diameter (mm): 47
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