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PES Membrane filters, non-sterile
Very suitable for culture media assays. Membrane made of Polyethersulfone (PES), inherently hydrophilic. Fast filtration speed. Membrane mechanically very strong and resistant to an extensive range of aqueous solvents. Low protein binding
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CN and CE membrane filters, non-sterile
Plain white membranes available in cellulose nitrate (CN) and cellulose acetate (CA)
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CN membrane filters, sterile
White cellulose nitrate membranes (CN) with black grid for microbiology applications. Sterile, individual packaging
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BRANCHIA Glass microfiber filter, grade BGF-1 (1,6 μm)
Paper made from 100% borosilicate glass microfiber, without binder. Fast filtration with a retention of fine particles. Adsorbs the finest particles down to 1 μm from liquids and below 1 μm in gases, aerosols included (HEPA). Indicated for controls of environmental pollution and ozone levels, as well as for controls of the content of algae in water. Can be used at temperatures up to 500°C. Surface weight 52 g/m², pore 1,6 μm, thickness 260 μm and retention DOP 99,998%. Available in flat disks. Equivalent to: Whatman GF/A, Macherey Nagel GF-1, S&S GF50
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BRANCHIA Glass microfiber filter, grade BGF-3 (1,2 μm)
Paper made from 100% borosilicate glass microfiber without binder. Fast filtration with a retention of fine particles. Adsorbs the finest particles down to 1 μm from liquids and below 1 μm in gases, aerosols included (HEPA). Standard filter for determination of Total Suspended Solids (TSS) in drinking or sewage water according to European standards (EN 872) and American standards ( Standard Methods 2540D). Can be used at temperatures up to 500°C. Surface weight 53 g/m², pore 1,2 μm, thickness 260 μm and retention DOP 99,998%. Available in flat disks. Equivalent to: Whatman GF/C, Macherey Nagel GF-3, Millipore AP40, S&S GF52
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Glass microfiber filter, grade GFFA (1,6 μm)
Paper made from glass microfiber 100% borosilicate without binder. Very fast filtration with a high retention and capacity of fine particles . For general use in laboratory. Can be used at very high temperature. Surface weight 37 g/m², pore 1,6 μm, thickness 190 μm. Available in flat disks. Equivalent to: Whatman GF/A, Macherey Nagel GF-1, S&S GF50
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Microfiber glass paper filter, grade GFFC (1,2 μm)
Paper made from 100% borosilicate glass microfiber without binder. Fast filtration with a retention of fine particles. Standard filter for determination of Total Suspended Solids (TSS) in drinking or sewage water according to European standards (EN 872) and American standards ( Standard Methods 2540D). Can be used at very high temperatures. Surface weight 55 g/m², pore 1,2 μm, thickness 270 μm. Available in flat disks. Equivalent to: Whatman GF/C, Macherey Nagel GF-3, Millipore AP40, S and S GF52
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Activated carbon paper filter
Activated carbon paper used to dispose benzene, toluene, xylene, ethylbenzene or other small organic molecules. Commonly used in water filtration and odor removal. Available in flat disks
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BRANCHIA qualitative filter paper for general use, medium flow rate
For general laboratory use. Medium flow rate. Weight 65 g/m², thickness 180 μm, filtration time 30 s, retention 7 - 10 μm, wet bursting strength> 30 kPa, ash content <0,1%. Available in discs (presented in packages of 100 discs in a box). Equivalence: Whatman 93
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BRANCHIA qualitative filter paper for general use, very high flow rate
Crêpped surface, rough, for general laboratory use. Very high flow rate. Weight 70 g/m², thickness 250 μm, retention 25 μm, pressure difference 8 mm WG, ash content <0.1%. Available in discs (presented in packages of 100 discs in a box). Equivalence: Whatman 114
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PRAT DUMAS qualitative filter paper for general use, medium flow rate
Maximum ash content 0.10%. Vellum paper used for general laboratory filtration. Surface weight 65 g/m², pore 7 -10 μm, thickness 170 μm. Available in flat disks (packed in foiled bags of 100 disks, with no carton box), or folded (in a carton box). Equivalent to: Whatman 93
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PRAT DUMAS qualitative filter paper for general use, very fast flow rate
Maximum ash content 0.06%. Paper consisted of long cotton fibers for thick and sticky liquids filtration. Thick and very resistant paper, offering the fastest flow among qualitative filters. Surface weight 130 g/m², pore 25 - 30 μm, thickness 430 μm. Available in flat disks and folded. Equivalent to: Whatman 114
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