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GE Healthcares Life Sciences business offers three grades of low ash hardened filter paper for quantitative analysis. All three are designed for use in gravity and vacuum/suction filtration in Buchner and Hirsch funnel applications and can be customized for an exact fit.
Fast filters for vacuum filtration
Whatman Grade 54 filter paper can sustain fast vacuum or suction filtration in a Buchner or Hirsch funnel. The hard, smooth, acid-treated Grade 54 fast filter paper supports the collection of coarse and gelatinous precipitates with minimal fiber shredding, even when wet.
Looking for a filter paper, membrane filter, or syringe filter? Let GE help you find the optimal filter for your needs to ensure reliable analysis.
|Parameter||Grade 54 Filter for Quantitative Analysis, Fast, 110 mm circle (100 pcs)|
|Type||Hardened low ash|
|Typical Particle Retention in Liquid1||22micro-m|
|Nominal Thickness||185 micro-m|
|Typical water flow rate2||453 ml/min|
|Nominal Basis Weight||90 g/m2|
|Nominal Air Flow Rate||3 s/100 mL/in2|
|Nominal Ash Content3||0.015%|
|Material||High-quality cotton linters|
|Alpha Cellulose Content Min.||98%|
|Application||Suitable for Buchner filtrations where it is desirable to recover |
the precipitate from the filter surface after filtration.
High wet strength makes this grade very suitable for vacuum assisted fast filtration of difficult coarse or gelatinous precipitates.