Whatman 1820-070 Glass Microfiber Binder Free Filter, 1.6 Micron, 4.3 s/100mL Flow Rate, Grade GF/A, 7.0cm Diameter (Pack of 100)

• Diameter: 7.0cm
• Grade GF/A; Retention: 1.6µm
• Fine particle retention; high flow rate; good loading capacity; used for high efficiency general purpose laboratory filtration
• Uses include water pollution monitoring of effluents, water filtration, algae and bacteria cultures, foodstuff analyses, protein filtration, radioimmunoassay of weak ß emitters
• Recommended for gravimetric determination of airborne particulates, stack sampling and absorption methods of air pollution monitoring

Highly resistant to chemical attack; absence of binders ensures that no impurities or changes arise from source. Unaffected by and will not denature biological/biochemical fluids; does not absorb macromolecules even at very low molecular concentrations and are easily sterilized. Wide, useful temperature range which can be used at 500°C and at low temperatures.