Patent ID: 6104485
Filing Date: 2000-08-15
Classification: G01N

Abstract:
A method for the performance of an analytical procedure on a test liquid, said method including the steps of:selecting an open-ended tubular sampling member having a bore with a predetermined volume, the dimensions of the bore being chosen to insure spontaneous and complete filling thereof due to capillary action when an open first end of the sampling member is immersed in the test liquid, the sampling member bore being defined by a surface which is hydrophilic;engaging the second end of the sampling member by the first end of a tubular holder, the sampling member being supported such that the bore thereof is open to the interior of the holder, the sampling member extending from the holder to the first end of the sampling member, the exterior of the sampling member adjacent the open second end thereof being sealed to the interior of the holder;establishing atmospheric pressure in the interior of the holder;inserting the first end of the sampling member in the test liquid whereby the test liquid will spontaneously flow into and fill the sampling member bore thus forming a sample of said predetermined volume;transporting the sample in the sampling member to an analysis station for analysis by illumination with measurement light; andpressurizing the interior of the holder to eject the sample from the bore of the sampling member subsequent to illumination.