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| Name: | Whatman | | Model: | Cellulose Nitrate Filter Membranes | | Description: | Recommended for the majority of routine applications, this grade is manufactured under strictly controlled cleanroom conditions. Usually, it can directly replace the general purpose membrane filters of other manufacturers without requiring any significant change of technique. The user will benefit from the performance improvements which are now available in Whatman membrane filters. |  |
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| Name: | Whatman | | Model: | Nylon Filter Membranes | | Description: | High quality nylon membranes are suitable for filtering aqueous solutions and most organic solvents. The membranes are suitable for use with a wide range of biological preparations and can be used where other membranes are unsuitable or difficult to use. |  |
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| Name: | Whatman | | Model: | Mixed Cellulose Ester Membrane Filters | | Description: | Whatman mixed cellulose ester membranes are composed of cellulose acetate (~20%) and cellulose nitrate (~80%). These membranes are characterised by a smoother and more uniform surface than pure nitrocellulose filters. Also, the colour contrast provided by the filter surface facilitates particle detection and minimises eye fatigue. |  |
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| Name: | Whatman | | Model: | Polypropylene Membrane Filters | | Description: | Whatman Polypropylene membrane filters are ideal for numerous applications in chromatography and biotechnology laboratories. They come in a wide range of diameters and pore sizes (from 0.2 µm to 1.0 µm). These membranes are also conveniently packaged 50 or 100 filters per package. |  |
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| Name: | Whatman | | Model: | PTFE Membrane Filters | | Description: | Whatman PTFE membranes are chemically stable and inert. They are suitable for applications involving aggressive organic solvents, strong acids and alkalis. PTFE membranes are particularly suitable for preparing samples for HPLC analysis. |  |
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| Name: | Whatman | | Model: | Nuclepore® Polycarbonate Track Etch Membrane Filters | | Description: | Nuclepore polycarbonate track-etched membranes are manufactured from high quality polycarbonate film and have sharply defined pore sizes, high flow rates and excellent chemical and thermal resistance. The membranes have a smooth flat surface and exhibit very low levels of extractables. |  |
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| Name: | Whatman | | Model: | Black Nuclepore® Polycarbonate Track-Etched Membrane Filters | | Description: | Nuclepore black dyed polycarbonate membranes are high performance membranes ideally suited for applications using Epiflourescence Microscopy. Black membranes greatly reduce background fluorescence, which results in improved micro-organism and particulate visibility. |  |
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| Name: | Whatman | | Model: | Anopore® Inorganic Filter Membranes | | Description: | The Anopore® inorganic membrane is ideal for a wide range of laboratory filtration applications. This unique material has a precise, non-deformable honeycomb pore structure with no lateral crossovers between individual pores that filters at precisely the stated cutoff, allowing no larger sized particles to pass through the membrane. |  |
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