Total organic carbon analysis with diamond-coated electrodes

Details Total organic carbon analysis with diamond-coated electrodes Total organic carbon analysis with diamond-coated electrodes

G - Physics

01

N

G01N 33/00 (2006.01) G01N 31/10 (2006.01)

Patent

CA 2642150

The present invention provides an apparatus and method for measuring carbon (any one or all of TC, TOC, or TIC) in a sample matrix. In an embodiment, a method for measuring carbon in a sample composition is provided. The method comprises providing an apparatus comprising a reaction chamber and a diamond coated electrode, wherein the diamond coated electrode is doped with boron. The apparatus further comprises a detector. In addition, the method comprises contacting the sample composition with the electrode. The method further comprises applying an alternating current to the electrode at a sufficient voltage to produce carbon dioxide. Moreover, the method comprises measuring the amount of carbon dioxide produced.

La présente invention concerne un appareil et un procédé pour mesurer le carbone (un quelconque parmi TC, TOC ou TIC ou la totalité) dans une matrice d'échantillons. Dans un mode de réalisation, un procédé de mesure du carbone dans une composition échantillon est proposé. Le procédé comprend la fourniture d'un appareil comprenant une chambre de réaction et une électrode recouverte de diamant, ladite électrode étant dopée au bore. L'appareil comprend en outre un détecteur. En outre, le procédé comprend la mise en contact de la composition échantillon avec l'électrode. Le procédé comprend en outre l'application d'un courant alternatif sur l'électrode à une tension suffisante pour produire du dioxyde de carbone. En outre, le procédé comprend la mesure de la quantité de dioxyde de carbone produit.

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