Analytik Jena Ag

Analytik Jena Gmbh

Heiko Henneberg

Christiane Ehrling

Robert Knöfel

Kristin Scheide

An analytical device for determining a measured variable dependent on the concentration of one or more constituents of a sample includes a decomposition reactor surrounded by an insulating tube, a heating apparatus, an oxygen production system including at least one oxygen permeable membrane, a housing, and a feed gas guiding system for supplying a feed gas to the at least one membrane of the oxygen production system. The feed gas guiding system includes a reaction space surrounding the at least one membrane and is connected with an inflow duct open to the environment such that at least two partitions are arranged coaxially within the insulating tube and surrounding the decomposition reactor, where the partitions subdivide an intermediate space arranged between the decomposition reactor and the insulating tube into annular chambers forming the feed gas guiding system, where the annular chambers are connected with one another by overflow openings.

Analytical device for constituents of a sample

The invention relates to an analysis device for determining a measurement variable based on the concentration of one or more contents of a sample, comprising: a digestion reactor with a gas inlet and a gas outlet; a measuring device which is connected to the gas outlet of the digestion reactor; a control and analysis device which is designed to receive and process measurement values that are registered by the measuring device and are based on the measurement variable; an oxygen generating device; and a gas line system which connects the oxygen generating device to the gas inlets of the digestion reactor in order to supply oxygen generated by the oxygen generating device to the digestion reactor, wherein the gas line system comprises a gas storage device which has at least one chamber with a variable volume for receiving an oxygen quantity to be stored.

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Plaue, Germany

Heiko Henneberg