Bruker Biospin Gmbh

Gudrun Hofmann

Martin Hofmann

A method and device have an electrode rod () for a pH meter. The electrode rod () has a measuring end () for immersion into a liquid test sample (), wherein the measuring end () has a pH measuring element, and wherein electrical feed lines () in the electrode rod () extend towards the pH measuring element. A plurality of capillaries () for feeding liquids and gas into the test sample () extend in the electrode rod () and have outlet openings () in the area of the measuring end (). The method and device facilitate and accelerate preparation of liquid test samples and adjustment of a pH value for small amounts of test samples or narrow sample containers in NMR spectroscopy applications.

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Rheinstetten, Germany

Gudrun Hofmann