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VWR International

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Filter Paper

Made of pure cellulose treated with hydrochloric and hydrofluoric acid, filter papers are used for straining with good retention and flow rates. These cellulose filters create a semi-permeable barrier perpendicular to a liquid or airflow in order to separate fine substances from liquids or air. Different grades of filter paper are available for performing various laboratory applications including routine lab work, ranging from coarse to fine filtration of particulates. VWR offers a wide range of qualitative and quantitative filter papers with varying pore size, particle retention, flow rate and filtration times.


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Description:   18.5cm diameter. Useful in analytical operations involving filtration of cuprous oxide, lead sulfate, barium sulfate, manganese carbonate, and more. Fine porosity. Slow flow rate. 1um particle retention.
Catalog Number: 28297-826
Supplier: VWR International



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Description:   25.0cm diameter. For routine lab work. Suitable for student requirements in general chemistry. Suitable for filtration of aluminum phosphate, barium carbonate, lead chromate, and more. Medium porosity. Medium flow rate. 5um particle retention.
Catalog Number: 28310-172
Supplier: VWR International



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Description:   11.0cm diameter. Retention of zirconium hydroxide, aluminum hydroxide, cobalt sulfide, and other coarse or gelatinous precipitates. Medium porosity. Medium Fast flow rate. 10um particle retention.
Catalog Number: 28306-110
Supplier: VWR International



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Description:   VWR* Grade 413 Filter Paper, Qualitative, Diameter: 33.0cm, particle retention: 5um, Suitable for student requirements in general chemistry. Suitable for filtration of aluminum phosphate, barium carbonate, lead chromate, Medium porosity, Medium flow rate
Catalog Number: 28310-208
Supplier: VWR International


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Catalog Number: 470204-454
Supplier: VWR International



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Catalog Number: 470204-456
Supplier: VWR International



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Description:   12.5cm diameter. Uses include filtration of aluminum phosphate, zinc ammonium phosphate, and silver chromate. General quantitative analyses. Medium Fine porosity. Medium Slow flow rate. 5-10um particle retention.
Catalog Number: 28306-380
Supplier: VWR International



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Description:   15.0cm diameter. Good for coarse precipitates such as aluminum hydroxide, cobalt carbonate, mercury iodide, magnesium hydroxide, and more. Coarse porosity. Fast flow rate. 25um particle retention.
Catalog Number: 28320-121
Supplier: VWR International



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Description:   18.5cm diameter. For routine lab work. Suitable for student requirements in general chemistry. Suitable for filtration of aluminum phosphate, barium carbonate, lead chromate, and more. Medium porosity. Medium flow rate. 5um particle retention.
Catalog Number: 28310-140
Supplier: VWR International



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Description:   VWR* Grade 313 Filter Paper, Fluted Circles, Folded, Qualitative, Diameter: 32 cm, Particle retention: 5um, Use for drug, pharmaceutical, liquor, tincture, chromatography and protein-free filtrations in clinical laboratory. Medium Fine porosity, Medium flow rate
Catalog Number: 28333-101
Supplier: VWR International


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