Our high-purity Whatman ashless Grade 42 quantitative filter papers are suitable for a wide range of critical analytical filtration procedures for quantitative analysis. Grade 42 filter 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.
- 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
- Particularly suitable for gravimetric analysis
Whatman Grade 42 quantitative papers from Cytiva business are designed for retention of extremely small particles. A common example is use of Grade 42 as a calcium carbonate filter for analysis in the cement industry.
Read moreProduct | Product Name | Price | ||
---|---|---|---|---|
1442-10055 | Grade 42 Ashless filter paper for instrumental analysis, 79 mm, circle, (100 pcs) | Ø 79 mm | 24.98 USD |
Add to cart
{{stock.stockMessage}} |
1442-320 | Grade 42 Ashless Filter Paper for Instrumental Analysis, 320 mm circle (100 pcs) | Ø 320 mm | 436.00 USD |
Add to cart
{{stock.stockMessage}} |
1442-6551 | Grade 42 Quantitative Filter Paper Ashless (Ash 0.007%), sheet, 25.4 × 90 mm | 25.4 x 90 mm | 86.84 USD |
Add to cart
{{stock.stockMessage}} |
1442-240 | Grade 42 Ashless Filter Paper for Instrumental Analysis, 240 mm circle (100 pcs) | Ø 240 mm | 212.00 USD |
Add to cart
{{stock.stockMessage}} |
1442-185 | Grade 42 Ashless Filter Paper for Instrumental Analysis, 185 mm circle (100 pcs) | Ø 185 mm | 132.63 USD |
Add to cart
{{stock.stockMessage}} |
1442-917 | Grade 42 Ashless Filter Paper for Instrumental Analysis, 460 × 570 mm sheet (100 pcs) | 460 x 570 mm | 901.00 USD |
Add to cart
{{stock.stockMessage}} |
1442-042 | Grade 42 Ashless Filter Paper for Instrumental Analysis, 42.5 mm circle (100 pcs) | Ø 42.5 mm | 26.85 USD |
Add to cart
{{stock.stockMessage}} |
1442-070 | Grade 42 Ashless Filter Paper for Instrumental Analysis, 70 mm circle (100 pcs) | Ø 70 mm | 37.85 USD |
Add to cart
{{stock.stockMessage}} |
1442-090 | Grade 42 Ashless Filter Paper for Instrumental Analysis, 90 mm circle (100 pcs) | Ø 90 mm | 50.49 USD |
Add to cart
{{stock.stockMessage}} |
1442-110 | Grade 42 Ashless Filter Paper for Instrumental Analysis, 110 mm circle (100 pcs) | Ø 110 mm | 61.68 USD |
Add to cart
{{stock.stockMessage}} |
1442-047 | Grade 42 Ashless Filter Paper for Instrumental Analysis, 47 mm circle (100 pcs) | Ø 47 mm | 34.79 USD |
Add to cart
{{stock.stockMessage}} |
1442-055 | Grade 42 Ashless Filter Paper for Instrumental Analysis, 55 mm circle (100 pcs) | Ø 55 mm | 31.61 USD |
Add to cart
{{stock.stockMessage}} |
1442-125 | Grade 42 Ashless Filter Paper for Instrumental Analysis, 125 mm circle (100 pcs) | Ø 125 mm | 71.14 USD |
Add to cart
{{stock.stockMessage}} |
1442-150 | Grade 42 Ashless Filter Paper for Instrumental Analysis, 150 mm circle (100 pcs) | Ø 150 mm | 90.05 USD |
Add to cart
{{stock.stockMessage}} |
1442-971 | Grade 42 Ashless Filter Paper for Instrumental Analysis, Flag sheet (100 pcs) | Flag | 49.08 USD |
Add to cart
{{stock.stockMessage}} |
No reviews have been left for this product. Be the first to leave a review!
Product Support
Looking for support assistance?
Explore Product Support like Accessories, FAQs, Flow path schemes, Maintenance, Packing procedures, Spare parts, Troubleshooting and more.
If you can't find what you need, contact us to solve your problems.
Contact Us