Whatman Grade GF/A Glass Microfiber Filters, Binder Free

Description

Suitable for a wide range of liquid and air filtration applications
Nominal particle retention of 1.6 µm

Whatman glass microfiber filters without binder

Filters that combine high loading capacity with fine particle retention are well suited for applications such as water quality parameter measurements involving large sample volumes. Grade GF/A filters can function as wastewater filters or serve as filters in the following applications:

Water pollution monitoring of effluents
Foodstuff analysis
Radioimmunoassay of weak β emitters
Gravimetric determination of airborne particulates
Stack sampling and absorption methods of air pollution monitoring

Parameter	Grade GF/A Fine Retention Filter
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
Binder Type :	Binder Free
Typical Particle Retention in Liquid¹ :	1.6 µm
Typical water flow rate² :	143 ml/min
Format & Dimensions:	Circles – Ø 13 mm, Ø 21 mm, Ø 24 mm, Ø 25 mm, Ø 37 mm, Ø 42.5 mm, Ø 47 mm, Ø 50 mm, Ø 55 mm, Ø 60 mm, Ø 70 mm, Ø 81 mm, Ø 90 mm, Ø 110 mm, Ø 125 mm, Ø 150 mm, Ø 240 mm Circle with reinforced rim – Ø 60 mm Sheets – 8 x 10 in, 460 x 570 mm (18.11 x 22.44 in)
Pack size :	100 pieces, except 460 x 570 mm (25 pieces) & Ø 60 mm Circle with reinforced rim (50 pieces)