Filter Paper Grade 1 Circles, 47mm (100/pk)

• The most widely used filter paper for routine applications with medium retention and flow rate

• In agriculture, it is used for soil analysis and seed testing procedures

• In the food industry, Grade 1 is used for numerous routine techniques to separate solid foodstuffs from associated liquid or extracting liquid

• In education, it is used for teaching simple qualitative analytical separations

• In air pollution monitoring, using circles or rolls, atmospheric dust is collected from airflow and the stain-intensity measured photometrically

• For gas detection, the paper is impregnated with a chromogenic reagent and color formation quantified by optical reflectance