Filter Paper

Filter Paper

Filter paper is used for purification of samples, and is designed for use in analytical and preparative applications. These products are available in a range of sizes, counts, and thicknesses.
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Quantitative Grade Filter Paper Circles 
Manufactured to reduce silicon dioxide, calcium oxide and ferric oxide levels
Whatman™ Quantitative Filter Paper: Grade 42 Circles 
Type: Quantitative Filter Paper. Flow Rate: Slow. Thickness (Metric): 200 μm. Pore Size: 2.5 μm
Whatman™ Qualitative Filter Paper: Grade 113 Circles 
Filtration Speed: 1.3 s/100 mL/in2 Particle Retention: 30 μm. Quantity: 100 Pk. Grade: Grade 113.
Whatman™ Grade 602H Qualitative Filter Papers 
Flow Rate: Slow. For Use With (Application): A standard grade filter esed in sample preparation, e.g., in the beverage industry for residual sugar determination, acidic spectra, refractometric analysis, and HPLC. Filtration Speed: Approx. 375 s Particle Retention: <2 μm.
Whatman™ Kjeldahl Analysis Weighing Paper, Grade B-2 
Format: Sheet. Material: Parchment Paper. Grade: B-2. Quantity: 500 Pk.
Whatman™ Quantitative Filter Paper: Grade 540 Circles 
Airflow Rate: 13 s/100 mL/in2. Description: Grade 540 Ashless General Lab Filter Paper, 125 mm circles (100 pcs). Filter Type: Hardened Ashless. Format: Disc.
Grade 601 Cellulose General Purpose Filter Paper 
Pore Size: 5 to 13 μm. Quantity: 100/Pk. Thickness (Metric): 0.16 mm For Use With (Application): Filter Paper used in analytical works in laboratories, medium filtration velocity.
Grade 51 Ashless Hardened Quantitative Filter Paper 
Description: Ash Content: <0.008% Format: Disc. Material: Cotton Linters. Particle Retention: 12 to 15 μm.
Whatman™ Qualitative Filter Paper: Grade 113V Circles 
Description: Grade 113V Creped Filter Paper, Wet-Strengthened, 150 mm circle (100 pcs). Format: Pleated Circle. Material: Cellulose. Particle Retention: 30 μm.
Qualitative-Grade Filter Paper Circles 
Format: Disc. Particle Retention: 5 to 10 μm. Filtration Speed: 60mL/min. For Use With (Application): General lab use.
Whatman™ Qualitative Filter Paper: Grade 2 Circles 
Thickness (Metric): 190 μm. Type: Qualitative Filter Paper. Filtration Speed: 240 sec. Quantity: 100 Pk.
Qualitative Grade Plain Filter Paper Circles - P8 Grade 
Quantity: 100/Pk. Filtration Speed: 55 sec. Format: Disc. Flow Rate: Fast: 160mL/min.
Whatman™ Qualitative Grade Plain Circles and Sheets - Grade 3 
Material: Cellulose. Thickness (Metric): 390 μm. Grade: Grade 3. Particle Retention: >6 μm.
Qualitative Grade Plain Filter Paper Circles and Sheets - P4 Grade 
For Use With (Application): General purpose: slightly slower, more retentive than P5. Retains MgNH4PO4, silver sulfide, cadmium sulfide. In air monitors, collects particulates and chromic acid mist Grade: P4. Flow Rate: Slow: 25mL/min. Particle Retention: 4 to 8 μm.
Whatman™ Qualitative Filter Paper: Grade 1 Sheets 
Description: Grade 1 Qualitative Filter Paper Standard Grade, sheet, 460 × 570 mm. Format: Sheet. Material: Cellulose. Particle Retention: 11 μm.
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