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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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Filter
Description: Grade 6 Qualitative Filter Paper Standard Grade, circle, 90 mm. Format: Disc. Material: Cellulose. Particle Retention: 3 μm.
Flow Rate: Slow. Grade: Grade 5. Thickness (Metric): 200 μm. For Use With (Application): A standard grade clarifying filter excellent for cloudy suspensions and for water and soil analysis.
For Use With (Application): A standard grade filter used for a wide variety of analytical routine applications in different industries like food testing (e.g., determination of fat content) or removal of carbon dioxide and turbidity from beverages (e.g., beer analysis). Particle Retention: 7 μm. Grade: Grade 597. Flow Rate: Medium Fast.
Ideal for clarifying and removing particles of 1μm and larger, and in applications that do not require a low-ash or ashless paper
Cellulose fiber papers
For Use With (Application): Use for coarse particles and gelatinous precipitates. Particle Retention: >25 μm. Porosity: Coarse. Format: Disc.
Grade: Grade 4. Filtration Speed: 37 sec. Thickness (Metric): 210 μm. Particle Retention: 25 μm.
Flow Rate: 57mL/min. (water) Grade: Grade 1. Airflow Rate: 13sec./100mL/sq. in. For Use With (Application): A widely used standard grade filter paper for routine applications with medium retention and flow rate. It covers a wide range of laboratory applications and is frequently used for clarifying liquids.
Thickness (Metric): 0.16 mm Description: Ash Content: 0.06% Pore Size: 5 to 8 μm. Particle Retention: 5 to 8 μm.
Description: Ash Content: 0.007% Filter Type: Hardened Ashless. Format: Disc. Material: Refined Cellulose, Cotton Linters.
Description: Ash Content: 0.007% Filter Type: Ashless. Format: Disc. Material: Cotton Linters.
Format: Disc. Material: Paper. Pore Size: 17 μm. Sterility: Non-sterile.
Filters and retains extremely small particles. Whatman™ Quantitative Filter Paper: Grade 42 Circles are suitable for processes that require ashing.
Format: Disc. Material: Alpha Cotton Cellulose.
Color Code: Black. Description: Grade 589/1 Filter for Coarse Precipitate Retention, 150 mm circle (100 pcs). Filter Type: Ashless. Format: Disc.