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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:
Folded Prepleated Grade 595 1/2 folded filters, 110 mm, 100/pk. Thin filter paper, medium-fast with medium to fine particle retention. Used for many routine analytical applications in different industries
Description:
Folded Prepleated Grade 595 1/2 folded filters, 70 mm, 100/pk. Thin filter paper, medium-fast with medium to fine particle retention. Used for many routine analytical applications in different industries
Description:
40.0cm diameter. Hardened. For fast filtration of gelatinous precipitates and coarse particles from alkaline/acid solutions during gravimetric analysis. High wet-strength, high purity. Coarse porosity. Fast flow rate. 20-25um particle retention.
Description:
For general chromatography uses. Smooth, white, normally-hard surface. Flow Rate: 130mm/30 minutes (water). Paper Thickness: 0.18mm. Roll Size: 15cmx100m.
Description:
Very fast filtration for use with coarse and gelatinous precipitates. High wet strength makes this grade very suitable for vacuum assisted fast filtration of "difficult" coarse or gelatinous precipitates.
Description:
50.0cm diameter. For a wide range of laboratory applications, liquid clarification, gas filtration, air pollution analysis, and soil analysis. Medium porosity. Medium flow rate. 11um particle retention.
Description:
Quantitative Filter Papers. 20-25 u m. Very fast filtration for use with coarse and gelatinous precipitates. High wet strength makes this grade very suitable for vacuum assisted fast filtration of difficult coarse or gelatinous precipitates.
Description:
18.5cm diameter. Thin, smooth, hardened, paper has high wet strength. Retains fine crystalline precipitates. For qualitative or quantitative filtrations requiring vacuum assistance. Withstands scraping. Fine porosity. Slow flow. 2.7um particle retention.
Description:
Quantitative Filter Paper Standard Grade, circle, 12.5 cm, Grade 6, 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, pack100
Description:
Quantitative Filter Papers, hardened ashless grades, Grade 540, circle, 320 mm, acid-hardened to give high wet strength and chemical resistance with extremely low ash content. The tough surface makes these filters suitable for a wide range of critical filtration procedures, pack100
Description:
Wet Strengthened Grade 93 sheets, 58 x 58 cm, 500/pk This filter paper is intermediate in speed and retention between Grades 1 and 4. Available in a dispenser pack,
Description:
Qualitative Filter Paper, Crepe Surface, Very Fast Speed, Diameter: 40.0cm, Grade 230, For fine chemicals, pharmacology, oils, culture media, emulsions, soaps and detergents, water tests, pack50
Description:
32.0cm diameter. Hardened. For fast filtration of gelatinous precipitates and coarse particles from alkaline/acid solutions during gravimetric analysis. High wet-strength, high purity. Coarse porosity. Fast flow rate. 20-25um particle retention.
Description:
Qualitative Filter Papers. 25 um. Only half the thickness of No. 113 and suitable for coarse or gelatinous precipitates. Smooth surface for easy recovery of precipitates.
Description:
Reeve Angel Brand Filter Papers Grade 202, 40.0 cm. Provides minimum filtration speed of coarse particles. The surfaced is creped, hence it has a greater true surface area than smooth surface Filter Paper of the same diameter.
Description:
The Paper are made from pure cellulose without any additives and do not contain any substances which could influence the growth of the seeds.
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