Description
Advantec MFS™ No. 2 Grade Medium Qualitative Filter Paper, 4.25 cm diameter, 100/Pk, N024.25CMQualitative Filter Paper Features:
¹ Flow time is the time in seconds required to filter 100 mL of distilled water at 20 °C under pressure supplied by a 10 cm water column through a 10 cm² section of filter paper² Absorption speed is the distance in cm that water will travel in an upright strip of filter paper in ten (10) minutes at 20 °C³ Wet strength is the height in cm of a water column that will rupture a 10 cm² section of filter paperOther Sizes of No. 2 Grade Filter Paper Available:
- 100% alpha cotton cellulose
- pH tolerant 0 to 12
- Temperature maximum 120 °C
- Wide selection of types and sizes
- Ash content 0.1%
- Clarify and remove preciptates
- Preparation of qualitative analysis
| Grade | No. 2 | |
| Characteristics | Retains medium crystalline precipitates, fast flow rate, smooth surface, normal hardness | |
| Diameter, cm | 4.25 | |
| Weight, g/m² | 125 | |
| Thickness, mm | 0.26 | |
| Flow Time, sec¹ | 80 | |
| Absorption Speed, cm² | 8.0 | |
| Wet Strength, cm H2O³ | 17.3 | |
| Retention Characteristic, µm | 5; Medium | |
| Collection Efficiency, %, 0.3 µm DOP | 80 | |
| Conversions | ||
| Whatman | 2 | |
| Schleicher & Schuell | 604 | |
| Cat. No. | Mfg. No. | Diameter, cm |
| 90-7468-29 | NO24.25CM | 4.25 |
| 90-7468-37 | NO29.0CM | 9.0 |
| 90-7468-66 | NO211.0CM | 11.0 |