Avitrolab Grade 169 Glass Microfiber Filter Paper
These Avitrolab Grade 169 Glass Microfiber Filter Papers are binder-free and ideal for use in water and wastewater analysis, gravimetric analysis involving ignition of the sample and filtration of hot gases and liquids. They are recommended for use in environmental applications, biochemical testing, as pre-filters, and as direct sample application pads.
Binder-free glass microfibers feature maximum flow efficiency, fine particle retention, while maintaining a higher loading capacity than cellulose filters. Glass microfibers are chemical and thermal resistant and maintain their operational integrity in the presence of acids, alkalis, organic solvents, and temperatures at or above 500°C.
Key Features
- 0µm particle retention
- 33 mm sheet caliper
- Thermally stable to over 550°C
- STM 2540 suspended and dissolved solids determination
- Volatile solids testing (VSS)
- EPA and ASTM protocols
- Inert, no chemical reaction with liquid sample
- Suitable for use in various standard methods
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Specifications for Avitrolab Grade 169
Glass Microfiber Filter Paper
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| Particle Retention in µm | 1 |
| Filtration Speed Herzburg sec/100mls |
53 |
| Filtration Speed Rapidity mls/min | 130 |
| Frazier air permeability (cfm/ft) | 3.5 |
| Basis Weight (g/m²) | 68 |
| Sheet Caliper (mm) | 0.33 |
| Wet-burst (cm) | 30.5 |
| Item | Diameter | Unit of Measure | Price | Purchase |
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E-D1690-0900
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90mm | Pack of 100 |
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E-D948841
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35 mm | Pack of 100 |
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E-D1690-0210
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21 mm | Pack of 100 |
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E-D1690-1100
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11 cm | Pack of 100 |
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E-D1690-0470
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47 mm | Pack of 100 |
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E-D1690-0240
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24 mm | Pack of 100 |
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E-D1690-0550
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55 mm | Pack of 100 |
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