QUALITATIVE FILTER PAPERS GRADE NO. 131, 7.0 CM
- Brand: Advantec
- SKU: 121-0202
- County of Origin: UNITED STATES
- Product Code: 131070
- Availability: In Stock
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Qualitative Filter Paper for precipitate removal and qualitative analysis preparation:
- Made of 100% alpha cotton cellulose; Ash content 0.1%
- Stable from pH 0 ~ 12; thermostable up to 120°C
Specifications
| Grade | Weight (g/m2) | Thickness (mm) | Flow Time* (sec) | Absorption speed* (cm) | Nominal Rating (µm) | Wet Strength (kPa) |
| No. 131 | 140 | 0.25 | 240 | 6.0 | Medium-Fine (3) | 8 |
High retention efficiency for fine particles, like barium sulfate. Slow flow rate, smooth surface, normal hardness.