Qualitative Filter Paper, Grade 40, 150 mm dia, High-quality Cotton Linters
Qualitative Filter Paper, Grade 40, 150 mm dia, High-quality Cotton Linters, 210 µm Nominal Thickness, 25 ml/min Water Flow Rate, 21 sec/100 ml/sq in Nominal Air Flow Rate, Medium Particle Retention, Circle Format, For Soil Analysis
- Manufacturer Part No: 1440-150
- SECO Part No: 12-4810-07
- Sold As:
-
Availability:
Login to View Your Price
-
List Price :
Whatman™ grade 40 high-purity filters from Cytiva’s life sciences business are general-purpose papers for quantitative analysis. Grade 40 filters are suitable for a variety of analytical filtration applications.
| Diameter | : | 150 mm |
| Grade | : | 40 |
| Material | : | High-quality Cotton Linters |
| Type | : | Ashless |
| Format | : | Circle |
| Nominal Air Flow Rate | : | 21 sec/100 ml/sq in |
| Nominal Basis Weight | : | 95 g/m2 |
| Application | : | For Soil Analysis, Quantitative Determination of Milk Sediment, Collection of Trace Elements And Radionuclides |
| Nominal Ash Content | : | 0.007% |
| Nominal Thickness | : | 210 µm |
| Particle Retention | : | Medium |
| Typical Particle Retention in Liquid | : | 8 µm |
| Water Flow Rate | : | 25 ml/min |
High-purity filters contain 0.007% maximum ash contentMedium nominal particle retention rating of 8 µmMedium filtration speed (Herzberg 340 s)Particularly useful for gravimetric analysisUse as a clean-up filter for solutions prior to atomic absorption (AA) spectrometry=98% Minimum alpha cellulose content