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The method and results obtained from this apparatus depend upon the rate at which air flows under a given pressure gradient through a bed of powder of known density and voids content, in order to determine the surface area of the individual particles
Salient Features
- Specifications : The complete equipment comprises of one Air Permeability Cell Lea and Nurse type for areas 500 to 10000 sq.cm/gm. Complete with perforated plate one capillary tube, one plunger for compaction of sample and a wooden case.
Accessories : Air source, comprising one pressure chamber fitted with valve, regulator, connecting tube, a foot pump and two drying towers. Manometer liquid in 500 ml bottles.
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AIR PERMEABILITY APPARATUS (RIGDEN TYPE) - (APA-01)
Russian