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Whatman 1001-125 Qualitative Filter Paper Circles, 11 Micron, 10.5 s/100mL/sq inch Flow Rate, Grade 1, 125mm Diameter (Pack of 100)

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Product details

Management number 221121342 Release Date 2026/05/03 List Price $12.00 Model Number 221121342
Category

This Whatman 12.5cm, grade 1, cellulose filter paper is the most widely used filter paper for routine applications with medium retention (11µm) and flow rate. Traditionally, this grade is used in qualitative analytical separations for precipitates such as lead sulfate, calcium oxalate (hot), and calcium carbonate. In agriculture, it is used for soil analysis and seed testing procedures. It is also used for numerous routine techniques in the food industry to separate solid foodstuffs from associated liquid or extracting liquid; and is widely used in education for teaching simple qualitative analytical separations. In air pollution monitoring, using circles or rolls, atmospheric dust is collected from airflow and the stain-intensity is measured photometrically. For gas detection, the paper is impregnated with a chromogenic reagent and color formation is quantified by optical reflectance. Retention: 11µm. Diameter: 12.5cm. 100/Pack. Whatman #: 1001-125.

  • 12.5cm
  • Grade 1
  • Covers a wide range of laboratory applications; frequently used for clarifying liquids
  • Areas of use include the food industry, agriculture, air pollution monitoring, and gas detection
  • Widely used in education for teaching simple qualitative analytical separations
Brand Name Whatman
Item Shape Round
Paper Size 4.92 inches
Unit Count 100 Count
Sheet Count 100
Manufacturer Whatman
Model Number F1000-6
Paper Finish Uncoated
Material Type Cellulose
Paper Dimensions 12.5cm or 4.92 inches
Included Components 100 filters
Item Dimensions L x W 4.92"L x 4.92"W
Manufacturer Part Number 1001-125
Global Trade Identification Number 05057205008152

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