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Cytiva Filter Circles, Qualitative, Grade 1


Most widely used 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. Traditionally the grade is used in qualitative analytical separations for precipitates such as lead sulfate, calcium oxalate (hot) and calcium carbonate, in agriculture for soil analysis and seed testing procedures, in the food industry for numerous routine techniques 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 measured photometrically. For gas detection, the paper is impregnated with a chromogenic reagent and colour formation quantified by optical reflectance.
Particle retention:11 µm
Filtration speed:150 s
Weight:88 g / m2
Thickness:0.18 mm
Ash:0.06 %
Filter typefilter circle
Cytiva Filter Circles, Qualitative, Grade 1
TypeHöheFiltration time [s]PUOrder No.CDCPrice/Unit/EUR 
Grade 110.0020.005005428531133.09Order
Grade 115.0013.005005428527132.99Order
Grade 142.5013.00100542187617.04Order
Grade 147.0013.00100542187717.04Order
Grade 155.0013.00100542187817.04Order
Grade 170.0013.00100542187917.67Order
Grade 185.0013.00100542188018.95Order
Grade 190.0013.00100542188119.07Order
Grade 1110.0013.001005421882111.28Order
Grade 1125.0013.001005421883111.60Order
Grade 1150.0013.001005421884116.55Order
Grade 1185.0013.001005421885124.61Order
Grade 1240.0013.001005421886139.86Order
Grade 1270.0013.001005428528149.12Order
Grade 1320.0013.001005428529165.80Order
Grade 1400.0013.0010054285301111.49Order

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