Patent ID: 6094997
Filing Date: 2000-08-01
Classification: G01N

Abstract:
A sampling apparatus for the microbiological analysis of air, comprising a sieve with a wall perforated with a multitude of holes, wherein the perforated wall of the sieve is in the form of a spherical cap, a sleeve for holding a removable receptacle containing a layer of growth media and which sleeve is capable of holding such receptacle in a predetermined position in relationship to the said perforated wall, a means for sucking air at the periphery of the said receptacle held in the said predetermined position, in order to cause air to enter the said apparatus, through the said holes and to strike be said layer of growth media, and wherein the said perforated wall of the sieve and the said layer of growth media in the receptacle are shaped so that their separation increases from their periphery to their center.