whatman membrane filters, Whatman, Filters, Whatman filters, membrane filters, Whatman Dealer, Whatman Distributor
whatman membrane filters, Whatman, Filters, Whatman filters, membrane filters, Whatman Dealer, Whatman Distributor
whatman membrane filters, Whatman, Filters, Whatman filters, membrane filters, Whatman Dealer, Whatman Distributor
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Whatman Membrane Filters

whatman membrane filters, Whatman, Filters, Whatman filters, membrane filters, Whatman Dealer, Whatman Distributor Whatman Membrane Filters - order online and save 10% at Bacterius Limited. We offer Whatman Membrane Filters to customers worldwide. Whatman Membrane Filters with discounts greater than 10% may be available for bulk orders and customers outside the USA. Whatman Membrane Filters and all Whatman Filter products are available at Bacterius Limited.

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Whatman Protran Nitrocellulose Membrane Filters, Whatman Filters         
Ideal for Western and Southern blotting techniques, protein transfers, colony and plaque lifts. White membranes are made of 100% nitrocellulose (no added cellulose acetate) for high binding capacity (80–100µg/cm2). Less than 1.0% extractables for cell growth and tissue culture applications. Quality controlled. To sterilize, membranes can be autoclaved (liquid cool cycle) or irradiated. The Protran BA-83 membrane (0.2µm) is recommended for protein samples below 20kD and the Protran BA-85 membrane (0.45µm) is recommended for general nucleic acid work.          
Grade Pore Size um Size Whatman Filter No. Unit
Sheets          
BA79 0.1 10.2 x 13.3 cm 10402088 Pack of 10
BA79 0.1 20 x 20 cm 10402062 Pack of 5
BA79 0.1 20 x 20 cm 10402091 Pack of 25
BA79 0.1 33 x 56 cm 10484212 Pack of 5
BA83 0.2 6.3 x 22.8 cm 10402493 Pack of 10
BA83 0.2 10.2 x 13.3 cm 10402488 Pack of 10
BA83 0.2 15 x 15 cm 10402405 Pack of 5
BA83 0.2 15 x 20 cm 10401465 Pack of 10
BA83 0.2 20 x 20 cm 10402452 Pack of 5
BA83 0.2 20 x 20 cm 10401391 Pack of 25
BA83 0.2 25 x 25 cm 10402453 Pack of 5
BA83 0.2 30 x 60 cm 10401380 Pack of 5
BA83 0.2 33 x 56 cm 10402480 Pack of 5
BA85 0.45 6.3 x 22.8 cm 10402593 Pack of 10
BA85 0.45 10.2 x 13.3 cm 10402588 Pack of 10
BA85 0.45 15 x 15 cm 10402606 Pack of 5
BA85 0.45 15 x 15 cm 10401261 Pack of 25
BA85 0.45 20 x 20 cm 10402680 Pack of 5
BA85 0.45 20 x 20 cm 10401191 Pack of 25
BA85 0.45 25 x 25 cm 10402694 Pack of 5
BA85 0.45 30 x 60 cm 10401180 Pack of 5
BA85 0.45 33 x 56 cm 10402580 Pack of 5
Discs
BA83 0.2 82 dia. mm 10401316 Pack of 50
BA85 0.45 25 dia. mm 10402506 Pack of 100
BA85 0.45 25 dia. mm 10402578 Pack of 1000
BA85 0.45 82 dia. mm 10401116 Pack of 50
BA85 0.45 82 dia. mm 10405316 Pack of 50
BA85 0.45 82.5 dia. mm 10402579 Pack of 50
BA85 0.45 87 dia. mm 10401164 Pack of 50
BA85 0.45 132 dia. mm 10401124 Pack of 25
BA85 0.45 132 dia. mm 10402525 Pack of 50
BA85 0.45 137 dia. mm 10401147 Pack of 25
BA85 0.45 137 dia. mm 10402548 Pack of 50
Rolls
BA79 0.1 30 cm x 3 m 10402096 Each
BA83 0.2 15 cm x 3 m 10402468 Each
BA83 0.2 20 cm x 3 m 10402495 Pack
BA83 0.2 30 cm x 3 m 10401396 Pack
BA85 0.45 15 cm x 3 m 10402594 Each
BA85 0.45 20 cm x 3 m 10401197 Pack
BA85 0.45 30 cm x 3 m 10401196 Pack
Whatman Nytran SuPerCharge and Nylon Membranes, Whatman Filters       
Nytran SuPerCharge membranes have a very high positive charge and feature greater density of nylon. They bind three times more negatively-charged dye than typical positively-charged nylon membranes. Membranes boast uniform pore size and distribution. This consistent morphology leads to greater reproducibility of results across a membrane and from blot to blot. Membranes deliver a high signal with extremely low background when used with radioactive or non-radioactive detection techniques. Nytran nylon membranes are ideal for applications that require a lower charge. These membranes are designed for Southern and Northern blotting, colony and plaque lifts, and dot- or slot-blots. Membranes are cast uniformly for excellent symmetry and to prevent curling. Butterfly membrane has asymmetric notches and tabs for easier handling, improved orientation, and identification of colony and plaque lifts.
Dimensions Pore Size, µm Whatman Filter No. Unit
Nytran SuPerCharge Nylon Membrane Sheets      
11 x 14 cm 0.45 10416230 Pack of 10
15 x 15 cm 0.45 10416284 Pack of 10
15 x 20 cm 0.45 10416287 Pack of 10
20 x 20 cm 0.45 10416285 Pack of 10
25 x 25 cm 0.45 10416263 Pack of 10
30 x 60 cm 0.45 10416280 Pack of 5
102 x 133 mm 0.45 10416288 Pack of 10
63 x 228 mm 0.45 10416293 Pack of 10
Nytran SuPerCharge Nylon Membrane Rolls
20 cm x 3 m 0.45 10416294 Each
30 cm x 3 m 0.45 10416296 Each
Nytran SuPerCharge Nylon Membrane Discs      
82 dia. mm 0.45 10416216 Pack of 50
82 dia. mm 0.45 10416249 Pack of 50
132 dia. mm 0.45 10416224 Pack of 50
Nytran Nylon Membrane Sheets      
11 x 14 cm 0.45 10416130 Pack of 10
20 x 20 cm 0.2 10416085 Pack of 10
Nytran Nylon Membrane Discs      
82 dia. mm 0.45 10416116 Pack of 50
132 dia. mm 0.45 10416124 Pack of 50
Whatman Cellulose Nitrate Membrane Filters, Whatman Filters       
Recommended for most routine applications involving particles and cells from 0.1–5µm. These flexible membranes tolerate abuse during handling, loading, and autoclaving without sacrificing integrity. Low levels of extractables. White plain circles. The AE 98 membrane is unsupported.        
Pore Size um Diameter, mm Whatman Filter No. Unit
WCN Membranes      
0.2 25 7182-002 Box of 100
0.2 47 7182-004 Pack of 100
0.2 90 7182-009 Pack of 25
0.45 25 7184-002 Pack of 100
0.45 47 7184-004 Pack of 100
0.45 90 7184-009 Pack of 25
0.45 142 7184-014 Pack of 25
5 47 7195-004 Box of 100
5 90 7195-009 Pack of 25
AE 98 Membrane      
5 47 10400212 Pack of 100
Whatman Polycarbonate Membrane Filters, Whatman Filters       
For medical and laboratory filtration. Made of a porous, polycarbonate film, penetrated with uniform cylindrical holes that produce a sieve-like filtering action. Ideal for critical cytologic diagnosis, culture preparations, and large volume applications. Other specific applications include aerospace fluid analysis, water testing, chemical assay, petroleum products analysis, solvent filtration, and bacteria monitoring. Plastic surface of membranes is chemically resistant and unaffected by most solutions used for fixation and staining. Can sustain temperatures up to 140°C with no adverse effects. Membranes have birefringent refractive indexes of 1.625 and 1.584.        
Pore Size um Size, mm Whatman Filter No. Unit
0.05 90 dia. 111703 Pack of 25
0.1 13 dia. 110405 Pack of 30
0.1 25 dia. 110605 Pack of 100
0.1 47 dia. 111105 Pack of 100
0.2 13 dia. 110406 Pack of 100
0.2 25 dia. 110606 Pack of 100
0.2 47 dia. 111106 Pack of 100
0.2 90 dia. 111706 Pack of 25
0.4 13 dia. 110407 Pack of 100
0.4 25 dia. 110607 Pack of 100
0.4 47 dia. 111107 Pack of 100
0.4 90 dia. 111707 Each of 25
0.6 25 dia. 110608 Pack of 100
0.6 47 dia. 111108 Pack of 100
0.8 25 dia. 110609 Pack of 100
0.8 47 dia. 111109 Pack of 100
1 13 dia. 110410 Pack of 100
1 25 dia. 110610 Pack of 100
1 47 dia. 111110 Pack of 100
2 25 dia. 110611 Pack of 100
3 13 dia. 110412 Pack of 100
3 25 dia. 110612 Pack of 100
3 47 dia. 111112 Pack of 100
4.7 13 dia. 110424 Pack of 100
5 13 dia. 110413 Pack of 100
5 25 dia. 110613 Pack of 100
5 47 dia. 111113 Pack of 100
8 13 dia. 110414 Pack of 100
8 25 dia. 110614 Pack of 100
8 47 dia. 111114 Pack of 100
5 19 x 42 113313 Pack of 100
8 19 x 42 113314 Pack of 100
Whatman Westran PVDF Transfer Membranes, Whatman Filters         
Membranes feature a high protein binding ability to eliminate blow-through. They will also increase the signal over a wide range of molecular weights without compromising sample integrity. Use the S membrane for protein sequencing and the clear signal membrane for Western blot and protein dot-blot applications.
Description Pore Size, µm Dimensions Whatman Filter No. Unit
Sheets        
Westran S Membrane 0.2 10 x 10 cm 10413052 Pack of 10
Westran S Membrane 0.2 15 x 15 cm 10485290 Pack of 10
Westran S Membrane 0.2 20 x 20 cm 10485291 Pack of 100
Westran Clear Signal Membrane 0.45 15 x 15 cm 10485287 Pack of 10
Rolls        
Westran S Membrane 0.2 26 cm x 3 m 10413096 Each
Westran Clear Signal Membrane 0.45 30 cm x 3 m 10485289 Each
Whatman Anodisc Unsupported Membrane Filters, Whatman Filters     
Designed for use in vacuum and pressure filtration applications. Filters feature an unsupported Anopore membrane disc compatible with a wide range of organic chemicals, solvents and aqueous solutions, eliminating the need for multiple filter types. Ideal for microscopic analysis because of its sieve-like properties and virtual transparency when wet. Diameter: 13mm.      
Pore Size, µm Whatman Filter No. Unit
0.02 6809-7003 Pack of 100
0.1 6809-7013 Pack of 100
0.2 6809-7023 Pack of 100
Whatman Grade QM-A Quartz Filters, Whatman Filters     
Suitable for exacting air pollution monitoring, especially critical analyses and trace level determinations, atomic absorption spectroscopy, and flame emission spectrometry. Used in PM10 and PM2.5 air sampling testing. Sheets available sequentially numbered for easy traceability.      
Size, cm Whatman Filter No. Unit
3.2 dia. 1851-032 Pack of 100
3.7 dia. 1851-037 Pack of 100
4.7 dia. 1851-047 Pack of 100
20.3 x 25.4 1851-865 Pack of 25
20.3 x 25.4 1851-8866 Pack of 100
Whatman Cellulose Acetate Membrane Filters, Whatman Filters         
Membranes are made from pure cellulose acetate, making them ideal for biological and clinical analysis, sterility tests, and scintillation measurements. Filters exhibit very low protein binding capacity and are hydrophilic, making them suitable for aqueous and alcoholic media. The cellulose acetate membranes have improved solvent resistance, particularly to low molecular weight alcohols, and increased heat resistance. The membrane filters exhibit high physical strength and can be used up to 180°C (356°F), making them suitable for hot gases and allowing them to be sterilized by all methods without sacrificing the integrity of the membrane          
Description Pore Size um Diameter, mm Whatman Filter No. Unit
OE 66 0.2 25 10404106 Pack of 100
OE 67 0.45 25 10404006 Pack of 100
OE 67 0.45 47 10404012 Pack of 100
WCA 0.45 47 7000-0004 Pack of 100
ST 68 0.8 47 10403112 Pack of 100
ST 69 1.2 47 10403012 Pack of 100
Whatman Anodisc 13 Supported Membrane Filters, Whatman Filters       

Suitable for use in a wide range of specialized applications, including HPLC mobile phase filtration and degassing, bacterial analysis by epifluorescent light microscopy, ultra cleaning of solvents, gravimetric analysis, and liposome extrusion. Consist of an Anopore membrane disc, peripherally bonded to an annular polypropylene ring. Compatible with a wide range of organic chemicals, solvents and aqueous solutions, eliminating the need for multiple filter types. Sieve-like properties of Anopore membrane enable microorganisms and particles to be retained on membrane surface for electron microscope examination. Virtually transparent when wet permitting examination by light microscopy without need to transfer the retained material.        
Pore Size, µm Diameter, mm Whatman Filter No. Unit
0.02 25 6809-6002 Pack of 50
0.02 47 6809-5002 Pack of 50
0.1 25 6809-6012 Pack of 50
0.1 47 6809-5012 Pack of 50
0.2 25 6809-6022 Pack of 50
0.2 47 6809-5022 Pack of 50

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