Filters and Cassettes Selection Guide
Filters are one of the types of sampling media used in air sampling, onto/into which the contaminant is collected. Other sampling media includes the sorbent in sorbent tubes and gas sample bags.
Please also check out the Solvent Compatability Guide.
| Material | Common Pore Sizes | Main Properties | Applications |
| Mixed Cellulose Ester (MCE) Membranes | 0.45 μm 0.8 μm 1.2 μm 5.0 μm |
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| GLA 5000 PVC Membrane Filters Polyvinyl Chloride (Pure Homopolymer) |
0.2 μm 0.5 μm 0.8 μm 2.0 μm 5.0 μm |
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| PTFE (Polytetrafluoroethylene) Membrane Filters | 0.5 μm 1.0 μm 2.0 μm 5.0 μm |
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| Polycarbonate Membrane Filters | 0.4 μm 0.8 μm |
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| Silver Membrane Filters | 0.45 μm 0.8 μm |
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| Glass Fibre Depth Filters | Liquid Nominal Rating 1 μm |
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| Quartz Depth Filters | Liquid Nominal Rating 1.2 μm |
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| Cellulose Depth Filters | Nominal |
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| Gelatin Filters | Nominal |
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| DPM Cassettes | Nominal |
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| BestChek Asbestos Cassettes | 0.45 μm 0.8 μm 1.2 μm |
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| Coated (Treated) Filters | Various |
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