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Thumbnail Filmstrip of Grade 93 Qualitative Filter Paper Wet-Strengthened, 125mm Circle, 100/Pk Images
These extremely strong Filter papers have a high wet strength due to the addition of a small quantity of chemically stable resin. Normal qualitative applications will not introduce any significant impurities into the filtrate. The resins do, however, contain nitrogen so these grades should not be used in Kjeldahl estimations, etc.
This Filter paper is intermediate in speed and retention between Grades 1 and 4. Available in a dispenser pack, which can be attached to the wall or bench, placed on a shelf either upright or flat, and used as a normal carton or as a convenient dispenser. The envelopes are released individually for easy one-at-a-time removal. Package and envelopes are clearly marked for size and content.
| Whatman Product Code | 1093-125 |
| Type | Wet-Strengthened |
| Filter Media | Cellulose |
| Grade | 93 |
| Size | 125 mm Diameter |
| Typical Particle Retention in Liquid | 10 µm |
| Thickness | 145 µm |
| Basis Weight | 65 g/m^2 |
| Air Flow Rate | 7 s/100 mL/in^2 |
| Water Flow Rate | 194 ml/min |
| Format | Circles |
| Pack Size | 100 |
- Diameter
- 125mm
- Grade
- 93
- Material
- Cellulose
- Pore Size (µm)
- 25
- Sterility
- Nonsterile
- Wetability
- Hydrophilic