Quantitative filter paper medium-slow flow high retention gravimetric analysis
Quantitative analytical filter paper with medium-slow flow rate and high particle retention. Designed for gravimetric analysis of cements, sludges, aqueous soil extracts, oils in water, and milk sediments. High purity grade—suitable for radionuclide collection and atmospheric trace element capture. Retains fine precipitates that standard-speed filters cannot hold.
In stock
SKU:
1242*
As low as:
€6.57
As low as:
Quantitative filter paper medium-slow flow high retention
Quantitative analytical filter paper rated for medium-slow filtration. Retention exceeds that of medium-speed grades. High purity—no interference with analytical results.
Primary applications
Gravimetric analysis involving fine precipitates where sample loss is not acceptable.
- Cement and construction material analysis
- Filtration of sludges and aqueous soil extracts
- Determination of oils in water
- Determination of sediments in milk
- Radionuclide collection from atmospheric samples
- Atmospheric trace element retention
Technical specifications
- Type: Quantitative
- Flow rate: Medium-slow
- Retention: High—exceeds medium-speed filter grades
- Purity: High; suitable for trace and radionuclide analysis
When to use this filter
For fine precipitates where a faster-grade filter would result in sample loss. In gravimetry, lost sample invalidates the result. This paper holds what faster grades pass through—at the cost of longer filtration time. The right choice for cement, sludge, or dairy sediment work in quality control laboratories.
| Brand | FILTER-LAB |
|---|---|
| Whatman equivalence | Whatman 40 |
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