Grade GF/A Fine Retention Filter, 21 mm circle (100 pcs)
Application
Used for high-efficiency general purpose laboratory filtration, including water pollution monitoring of effluents, for filtration of water, foodstuff analyses, protein filtration, and radioimmunoassay of weak β emitters.
Grade
Grade GF/A
Nominal air flow rate
4.3 s/100 ml/in²
Nominal thickness
260 µm
Basis Weight
53 g/m²
Nominal basis weight
53 g/m²
Max recommended temperature
550 °C
Material
Borosilicate glass
Format
Circles
Binder type
Binder Free
Typical Particle Retention in Liquid1
1.6 µm
Typical water flow rate2
143 ml/min
Dimensions
Ø 21 mm
Pack size
100 pieces
1Particle retention rating at 98% efficiency.
2Normalised for 9 cm diameter. Measured under gravity for comparative purposes