No. 2 filter circles and sheets
Grade 2: 8µm
Slightly more retentive than Grade 1 with a corresponding increase in filtration time (i.e. slightly slower filtration speed). More absorbent than Grade 1. In addition to general filtration in the 8µm particle size range, the extra absorbency is utilized, for example, to hold soil nutrient in plant growth trials. Also used for monitoring specific contaminants in the atmosphere and in soil testing.
To help you choose the right filter for your application please click on the image below that will take you to the application guide for:
         
 There is also a link to the Cytiva Filter Paper Selector Guide
How do you choose the right size filter paper for your funnel? Use the table below to see what size filter paper you should use Gravity filtration using a filter paper inside a filtration funnel is used to remove precipitates from a liquid. The remaining liquid is known as the filtrate. For standard shaped filter funnels where the walls are at 58 or 60° the table below shows the r...
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