Filter Papers
Made of pure cellulose treated with hydrochloric and hydrofluoric acid, filter paper is quantitative paper used for straining with fast flow rates and good retention. It creates 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 routine laboratory work, ranging from coarse to fine filtration of particulates.
VWR® Quantitative Filter Paper, Grade 474
Uses include filtration of aluminum phosphate, zinc ammonium phosphate, and silver chromate.
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VWR® Qualitative Filter Paper, Grade 413
Suitable for filtration of aluminum phosphate, barium carbonate, lead chromate, and more.
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Whatman™ Grade 93 Qualitative Filter Papers
These cellulose filter papers are intermediate in speed and retention between grades 1 and 4.
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Chromatography Paper
Quality paper for general chromatography and electrophoresis.
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Medium Grade, 15 μm
The most widely used qualitative filter paper for routine applications.
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Student Filter Paper
A good quality paper recommended for student use and all routine filtering operations. This is a strong filter paper with a medium flow rate and retention.
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Whatman™ Cellulose Chromatography Papers
Whatman chromatography papers are widely used across the world, reflecting their purity, high quality and consistency. They are made from specially selected cotton cellulose and rigorously quality controlled to ensure uniformity within the grade.
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Whatman™ No. 1 Filter Paper, Whatman products (Cytiva)
High Quality Filter Paper.
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VWR® Quantitative Grade Filter Paper Circles
Quantitative filter papers are used for gravimetric analyses or filtrations where the precipitate is to be recovered.