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® Phase Separating Paper, Grade 511
Supplier: VWR Collection
Hydrophobic filter paper used for separation of aqueous solutions from organic solutions.
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VWR®, Quantitative filter papers, grade 415
Supplier: VWR Collection
Suitable for coarse precipitates such as aluminium hydroxide, cobalt carbonate, mercury iodide, magnesium hydroxide and more.
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VWR® Low Nitrogen Content Filters, Grade 521
Supplier: VWR Collection
Low nitrogen content filters for determination of nitrogen content in steel and iron samples dissolved in acid. Filtration of fine precipitates to dissolve according Kjeldahl method.
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VWR®, Quantitative Filter Papers
Supplier: VWR Collection
424: Filtration of lead sulphide, iron sulphide, silver sulphide, alkali carbonate, lead chromate, arsenic, antimony, cadmium and foodstuffs. Determination of sand content in dairy products. Determination of whiteness of pulp in paper mills.
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VWR® Qualitative Filter Papers, Grade 417
Supplier: VWR Collection
Useful for rapid filtrations where fine particle retention is not required.
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VWR®, Qualitative Filter Papers
Supplier: VWR Collection
These highly pure filter paper grades are produced from cellulose fibers with an alpha-cellulose content of nearly 100%, in accordance with precise quality standards. The ash content is approximately 0.06%.
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VWR®, Qualitative filter papers, grade 410
Supplier: VWR Collection
Useful for the filtration of copper(I) oxide, lead sulphate, barium sulphate, manganese carbonate and more for analytical work. Suitable for extremely difficult filtration and for clarification of wine.
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Supplier: VWR Chemicals
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Supplier: VWR Chemicals
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Supplier: VWR Chemicals