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These cellulose filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters are also available, which give improved flow rate and increased loading capacity comparedto equivalent flat filters.
Grade 591: 7-12 µm A thick filter paper with very high loading capacity for fast filtration of medium to coarse precipitates. Offers high absorbency and increased wet strength. Also available prepleated as 591 1¼2.
Grade 520 a: 15-18 µmA thin paper with great wet strength and a very high flow rate. Frequently used in technical applications such as the filtration of viscous liquids and emulsions (e.g. sweetened juices, spirits and syrups, resin solutions, oils or plant extracts). Available prepleated as 520 a 1¼2.
Grade 595: 4-7 µmVery popular, thin filter paper, medium-fast with medium to fine particle retention. Used for many analytical routine applications in different industries, e.g. particle separation from food extracts for sample preparation or filtration of solid environmental samples digested, e.g. for ICP/AAS analysis. Also available prepleated as 595 1/2.
The products listed on Qorpak.com are only a fraction of the items we have available. Call us at 1-800-922-7558 for more packaging, laboratory supplies and value added services.