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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:
Retention of very fine crystalline precipitates. The thinnest of all Whatman filter Paper. Slow flow rate. Hardened and highly glazed surface.
Description:
Wet Strengthened Grade 91 circles, 240 mm, 1000/pk (Subdivided into 100) A general purpose creped filter for less critical routine analysis. Widely used to assay sucrose in cane sugar.
Description:Filter paper, Hardened, low-ash, suitable for routine gravimetric analysis. Grade 392 has a medium filtering speed for standard tasks. Ash < 0.01% 320mm, pack 100
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.
Description:
Wet Strengthened Grade 93 circles, 150 mm,1000/pk (10 bags of 100 circles) This filter paper is intermediate in speed and retention between Grades 1 and 4. Available in a dispenser pack,
Description:Filter paper, Hardened, low-ash, suitable for routine gravimetric analysis. Grade 392 has a medium filtering speed for standard tasks. Ash < 0.01% 47mm, pack 100
Description:Filter paper, Hardened, low-ash, suitable for routine gravimetric analysis. Grade 392 has a medium filtering speed for standard tasks. Ash < 0.01% 400mm, pack 100
Description:Filter paper, Hardened, low-ash, suitable for routine gravimetric analysis. Grade 392 has a medium filtering speed for standard tasks. Ash < 0.01% 150mm, pack 100
Description:
18.5cm diameter. For coarse particles and gelatinous precipitates. Thick and strong. High loading capacity. High wet strength. Creped surface. Not for nitrogen determinations. Coarse porosity. Faster flow rate than other qualitative grades. 30um particle retention.
Description:
Qualitative Filter Paper. 8 um. Widely used for general purpose filtration. Slightly more retentive than No. 1. Has excellent particle retention and a good filtration speed and loading capacity.
Description:
Thickness 0.17 mm. Flow rate 85 mm/30 min. For maximum resolution, this grade is supreme, giving the greatest possible separation of closely related compounds.
Description:
20.3x25.4cm sheet. Creped wood pulp paper. Thin, hardened, high wet-strength paper is resistant to weak acids and alkalis. Recommended for general and high-volume process filtration. Medium porosity. Medium flow rate. 8-12um particle retention.
Description:
Standard Grades Grade 1 sheets, 58 cm x 68 cm, 500/pk, the most widely used filter paper for routine applications with medium retention and flow rate.
Description:
Quantitative Filter Paper, Grade 6, Standard Grade, circle, 185 mm, 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:
A medium fast filter paper with medium to fine particle retention. Used for a wide variety of analytical routine applications in different industries.
Description:
Thin filter paper, medium-fast with medium to fine particle retention. Used for many routine analytical applications in different industries
Description:
18.5cm diameter. Creped wood pulp paper. Thin, hardened, high wet-strength paper is resistant to weak acids and alkalis. Recommended for general and high-volume process filtration. Medium porosity. Medium flow rate. 8-12um particle retention.
Description:
24.0cm diameter. Widely used for general purpose filtration. For general chemistry and soil analysis methods. Medium porosity. Medium flow rate. 8um particle retention.
Description:
18.5cm diameter. Hardened, low ash paper for gelatinous precipitates and coarse particles. High wet strength makes this grade suitable for fast vacuum assisted filtration. Coarse porosity. Fast flow rate. 20-25um particle retention.
Description:
24.0cm diameter. Creped wood pulp paper. Thin, hardened, high wet-strength paper is resistant to weak acids and alkalis. Recommended for general and high-volume process filtration. Medium porosity. Medium flow rate. 8-12um particle retention.
Description:
Qualitative Filter Paper, Grade 6, Standard Grade, roll, 70mm, 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:
Reeve Angel Brand Filter Papers Grade 202, 9 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:
32.0cm diameter. Creped wood pulp paper. Thin, hardened, high wet-strength paper is resistant to weak acids and alkalis. Recommended for general and high-volume process filtration. Medium porosity. Medium flow rate. 8-12um particle retention.
Description:
15.0cm diameter. Smooth-surfaced wood pulp paper. Moderately high wet-strength student grade paper is recommended for general non-critical filtrations. Medium porosity. Medium flow rate. 8-12um particle retention.
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