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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.
Description:
VWR* Grade 413 Filter Paper, Qualitative, Diameter: 5.5cm, 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
Description:
VWR* Grade 413 Filter Paper, Qualitative, Diameter: 4.25cm, 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
Description:
18.5cm 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.
Description:
VWR* Grade 413 Filter Paper, Qualitative, Diameter: 1.5cm, 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
Description:
VWR* Grade 415 Filter Paper, Crepe, Qualitative, Diameter: 5.5 cm, particle retention: 25um, for coarse precipitates such as aluminum hydroxide, cobalt carbonate, magnesium hydroxide, Coarse porosity, Fast flow rate, Assorted sizes, Medium fine porosity
Description:
25.0cm 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.
Description:
50.0cm diameter. Good for rapid filtrations where fine particle retention is not required. Coarse porosity. Fast flow rate. 40um particle retention.
Description:
38.5cm diameter. Use for drugs, pharmaceuticals, liquors, tinctures, chromatography, and protein-free filtrations in the clinical laboratory. Medium Fine porosity. Medium flow rate. 5um particle retention.
Description:
15.0cm 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.
Description:
11.0cm 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.
Description:
VWR* Grade 415 Filter Paper, Crepe, Qualitative, Diameter: 7.5 cm, particle retention: 25um, for coarse precipitates such as aluminum hydroxide, cobalt carbonate, magnesium hydroxide, Coarse porosity, Fast flow rate, Assorted sizes, Medium fine porosity
Description:
12.5cm diameter. Good for rapid filtrations where fine particle retention is not required. Coarse porosity. Fast flow rate. 40um particle retention.
Description:
25.0cm diameter. Good for rapid filtrations where fine particle retention is not required. Coarse porosity. Fast flow rate. 40um particle retention.
Description:
20.5cm 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.
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