Grade GF/A Glass Microfiber Filters, Binder Free

Opis produktu

Whatman™ Grade GF/A glass microfiber filters feature fine retention. GF/A filters are suitable for water quality parameter measurement and air filtration applications.

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

We offer a variety of binder-free glass microfiber filters for different sample types and analysis needs. For higher wet strength, increased loading capacity, or different particle retention, see other Whatman™ binder-free filter options.

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

Filtry z włókna szklanego GF/A, bez lepiszcza

Specyfikacja

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 ? 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 Liquid	1.6 µm
Typical water flow rate	143 ml/min

Informacje do zamówienia

Nr kat.	Opis produktu	Rozmiar	Il./opak.
1820-021	Grade GF/A Fine Retention Filter, 21 mm circle (100 pcs)	21 mm	100 pieces
1820-024	Grade GF/A Fine Retention Filter, 24 mm circle (100 pcs)	24 mm	100 pieces
1820-025	Grade GF/A Fine Retention Filter, 25 mm circle (100 pcs)	25 mm	100 pieces
1820-037	Grade GF/A Fine Retention Filter, 37 mm circle (100 pcs)	37 mm	100 pieces
1820-042	Grade GF/A Fine Retention Filter, 42,5 mm circle (100 pcs)	42,5 mm	100 pieces
1820-047	Grade GF/A Fine Retention Filter, 47 mm circle (100 pcs)	47 mm	100 pieces
1820-050	Grade GF/A Fine Retention Filter, 50 mm circle (100 pcs)	50 mm	100 pieces
1820-055	Grade GF/A Fine Retention Filter, 55 mm circle (100 pcs)	55 mm	100 pieces
1820-060	Grade GF/A Fine Retention Filter, 60 mm circle (100 pcs)	60 mm	100 pieces
1820-061	Grade GF/A Fine Retention Filter with Reinforced Rim, 60 mm circle (50 pcs)	60 mm	50 pieces
1820-070	Grade GF/A Fine Retention Filter, 70 mm circle (100 pcs)	70 mm	100 pieces
1820-090	Grade GF/A Fine Retention Filter, 90 mm circle (100 pcs)	90 mm	100 pieces
1820-110	Grade GF/A Fine Retention Filter, 110 mm circle (100 pcs)	110 mm	100 pieces
1820-125	Grade GF/A Fine Retention Filter, 125 mm circle (100 pcs)	125 mm	100 pieces
1820-150	Grade GF/A Fine Retention Filter, 150 mm circle (100 pcs)	150 mm	100 pieces
1820-240	Grade GF/A Fine Retention Filter, 240 mm circle (100 pcs)	240 mm	100 pieces
1820-6537	Grade GF/A Fine Retention Filter, 81 mm circle (100 pcs)	81 mm	100 pieces
1820-8013	Grade GF/A Fine Retention Filter, 13 mm circle (100 pcs)	13 mm	100 pieces
1820-866	Grade GF/A Fine Retention Filter, 8 x 10 in (100 pcs)	8 x 10 in	100 pieces
1820-915	Grade GF/A Fine Retention Filter, 460 x 570 mm (25 pcs)	460 x 570 mm (18,11 x 22,44 in)	25 pieces

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Brochure

1820-021;Grade GF/A Fine Retention Filter, 21 mm circle (100 pcs);21 mm;100 pieces
1820-024;Grade GF/A Fine Retention Filter, 24 mm circle (100 pcs);24 mm;100 pieces
1820-025;Grade GF/A Fine Retention Filter, 25 mm circle (100 pcs);25 mm;100 pieces
1820-037;Grade GF/A Fine Retention Filter, 37 mm circle (100 pcs);37 mm;100 pieces
1820-042;Grade GF/A Fine Retention Filter, 42,5 mm circle (100 pcs);42,5 mm;100 pieces
1820-047;Grade GF/A Fine Retention Filter, 47 mm circle (100 pcs);47 mm;100 pieces
1820-050;Grade GF/A Fine Retention Filter, 50 mm circle (100 pcs);50 mm;100 pieces
1820-055;Grade GF/A Fine Retention Filter, 55 mm circle (100 pcs);55 mm;100 pieces
1820-060;Grade GF/A Fine Retention Filter, 60 mm circle (100 pcs);60 mm;100 pieces
1820-061;Grade GF/A Fine Retention Filter with Reinforced Rim, 60 mm circle (50 pcs);60 mm;50 pieces
1820-070;Grade GF/A Fine Retention Filter, 70 mm circle (100 pcs);70 mm;100 pieces
1820-090;Grade GF/A Fine Retention Filter, 90 mm circle (100 pcs);90 mm;100 pieces
1820-110;Grade GF/A Fine Retention Filter, 110 mm circle (100 pcs);110 mm;100 pieces
1820-125;Grade GF/A Fine Retention Filter, 125 mm circle (100 pcs);125 mm;100 pieces
1820-150;Grade GF/A Fine Retention Filter, 150 mm circle (100 pcs);150 mm;100 pieces
1820-240;Grade GF/A Fine Retention Filter, 240 mm circle (100 pcs);240 mm;100 pieces
1820-6537;Grade GF/A Fine Retention Filter, 81 mm circle (100 pcs);81 mm;100 pieces
1820-8013;Grade GF/A Fine Retention Filter, 13 mm circle (100 pcs);13 mm;100 pieces
1820-866;Grade GF/A Fine Retention Filter, 8 x 10 in (100 pcs);8 x 10 in;100 pieces
1820-915;Grade GF/A Fine Retention Filter, 460 x 570 mm (25 pcs);460 x 570 mm (18,11 x 22,44 in);25 pieces