TOC – Total Organic Carbon

Total organic carbon or short TOC is one of the most important sum parameters for assessing the organic load of water. Compared to the more time-consuming methods of measuring COD or BOD, the TOC methode is far more accurate and faster.
The total organic carbon is used for testing the water quality. For this a sample from the water is taken to measure the TOC. This sample is oxidized in a reactor. This happens at temperatures of 1000°C and above. During this combustion of the water sample the organic carbon becomes CO₂. The CO₂ concentration can be determined quickly and reliably using sensors. The TOC is expressed in mg/l.

Modern TOC Analyzer have automatized the whole testing process. From taking the water sample. Performing the oxidation and finally analyze the CO₂ concentration. A good analyzer needs only a few minutes. From taking the sample until producing a result.
Using such automized methods, a continues monitoring of e.g. the quality of drinking water or process water can be achieved. This allows a complete monitoring of a production to be carried out.

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