Fisher Scientific Filter Paper 240 mm, 1 Grade, >11 µm Particle Retention, Circle Format, Medium Porosity, 180 µm Thickness, Smooth Surface - 09805J

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• These cellulose filters are used in qualitative analytical techniques to determine and identify materials and for clarifying liquids
• For clarifying liquids; used in qualitative analytical separations of precipitates such as lead sulphate; air pollution monitoring, gas detection, soil analysis
• Separates precipitates such as lead sulfate, calcium oxalate (hot) and calcium carbonate
• Used for soil analysis and seed testing procedures in the agricultural industry
• Used to separate solid foodstuffs from associated liquid or extract liquid in the food industry
• Atmospheric dust is collected from airflow and the stain-intensity measured
• Impregnated with a chromogenic reagent and color formation quantified by optical reflectance for gas detection