Quick Overview
Grade 42
Basis Weight: 100 g/m²
Pore Size: 2.5 µm
Pack of 100
Basis Weight: 100 g/m²
Pore Size: 2.5 µm
Pack of 100
Details
This Whatman,1442-090, Grade 42 filter paper has a diameter of 90 mm and comes in a pack of 100.
Grade 42: A world standard for critical gravimetric analysis with the finest particle retention of all Whatman cellulose filter papers Typical analytical precipitates include barium sulfate, metastannic acid and finely precipitated calcium carbonate.
Cytiva'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.
Features:
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
Grade 42: A world standard for critical gravimetric analysis with the finest particle retention of all Whatman cellulose filter papers Typical analytical precipitates include barium sulfate, metastannic acid and finely precipitated calcium carbonate.
Cytiva'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.
Features:
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
Additional Information
| Brand | Whatman |
|---|---|
| Length | N/A |
| Height | N/A |
| Product Type | Filter Paper |
| Membrane Material | High-quality cotton linters |
| Dimensions | 90 mm |
| Feature | Ashless, Quantitative |
| Diameter | 90 mm |
| Volume | N/A |
| Shape | N/A |
| Sterility | N/A |
| Pore Size | 2.5 µm |
| Filter Grade | Grade 42 |
| Affinity | N/A |
| Filter Thickness | 200 µm |
| Basis Weight | 100 g/m² |
| Membrane Surface | N/A |
| Autoclavable | N/A |
| Filter Retention | N/A |
| Flow Rate | N/A |
| Color Code | N/A |
| Filter Speed | N/A |
| Operating Temperature | N/A |
| Applications | Research and Applied Markets |
| Inner Packaging | N/A |
| Quantity | 100 |
