Out of stockSupports accurate analysis in applications sensitive to very low levels of background contamination. Whatman™ Quantitative Filter Paper: Grade 40 Circles are additionally useful in gravimetric analysis where ash content might affect weight measurements of combusted samples.
Suited for
| 21 s/100 mL/in2 | |
| Ashless | |
| Cotton Linters | |
| 8 μm | |
| Medium | |
| Grade 40 | |
| 100 Pk. | |
| Quantitative Filter Paper | |
| 32 mm |
| Grade 40 Ashless Filter Paper for Pollution Analysis, 32 mm circle (100 pcs) | |
| Disc | |
| 8 μm | |
| ASTM, 75 seconds; Herzberg, 340 seconds | |
| Designed for gravimetric analysis and the preparation of samples for instrumental analysis.Gravimetric analysis for numerous components in cements, clays, iron, and steel products.As a primary filter for separating solid matter from aqueous extracts in | |
| Medium | |
| 210 μm | |
| 1.25 in. |
Supports accurate analysis in applications sensitive to very low levels of background contamination. Whatman™ Quantitative Filter Paper: Grade 40 Circles are additionally useful in gravimetric analysis where ash content might affect weight measurements of combusted samples.
Suited for
| 21 s/100 mL/in2 | |
| Ashless | |
| Cotton Linters | |
| 8 μm | |
| Medium | |
| Grade 40 | |
| 100 Pk. | |
| Quantitative Filter Paper | |
| 32 mm |
| Grade 40 Ashless Filter Paper for Pollution Analysis, 32 mm circle (100 pcs) | |
| Disc | |
| 8 μm | |
| ASTM, 75 seconds; Herzberg, 340 seconds | |
| Designed for gravimetric analysis and the preparation of samples for instrumental analysis.Gravimetric analysis for numerous components in cements, clays, iron, and steel products.As a primary filter for separating solid matter from aqueous extracts in | |
| Medium | |
| 210 μm | |
| 1.25 in. |
