Patent ID: 6296763
Filing Date: 2001-10-02
Classification: B01L

Abstract:
A filtration assembly comprising:a sample mixing receptacle closed at one end and open at its other end, the sample mixing receptacle provided with a stopper for the open end; anda second receptacle having a closed end and an open end, the second receptacle adapted to be fixed in coaxial alignment with the mixing receptacle to receive filtrate from the sample mixing receptacle, wherein a tubular filter extends centrally from the stopper such that when the sample mixing receptacle is stoppered a closed end of the tubular filter confronts the closed end of the sample mixing receptacle and an open end of the tubular filter opens through the stopper, the stopper providing a shoulder around the tubular filter at the open end of the sample mixing receptacle;wherein the closed end of the mixing receptacle and the closed end of the second receptacle exclude any flow passages.