Cytiva
Filter Circles, Qualitative, Grade 4
Extremely fast filtering with excellent retention of coarse particles and gelatinous precipitates such as ferric hydroxide and aluminium hydroxide. Very useful as a rapid filter for routine clean-up of biological fluids or organic extracts during analysis. Used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical. Particle retention: | 20 to 25 µm | Filtration speed: | 37 s | Weight: | 96 g / m2 | Thickness: | 0.20 mm | Ash: | 0.06 % | Filter type: | filter circle | Filtration time: | 37.00 [s] |
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