B - Operations – Transporting – 01 – L
Patent
B - Operations, Transporting
01
L
73/93
B01L 3/02 (2006.01)
Patent
CA 1312480
ABSTRACT OF THE DISCLOSURE An automated sampler-injector apparatus and method of sampling, for taking samples from multiple sources and repetitively injecting small portions of a quantity sampled from a single source into a liquid chromatograph column for analysis. The apparatus comprises a syringe means and injector tube forming a syringe loop for drawing a quantity of sample from a sample container. Carousel means for positioning a selected sample container beneath the syringe loop is provided, and an injector valve having a sample loop therein is further provided for receiving portions of a quantity of sample from the syringe loop and retaining such portion in the sample loop and further transferring the portion of sample from the sample loop into a liquid chromatograph for analysis. The method comprises a procedure for utilizing the apparatus so as to repetitively inject portions of the sampled quantity into the valve, switching the valve from a load position to an inject position to inject the portion of sample into the liquid chromatograph, and repeating the process until the quantity of sample contained in the syringe loop is exhausted.
559387
Baldwyn Einar D.n.
Gowling Lafleur Henderson Llp
LandOfFree
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