Measuring apparatus and method for measuring the total organic carbon concentration

摘要

To provide a measuring apparatus and the measuring method can be performed with high precision and easy measurement of the amount of carbon dioxide produced by the oxidation of organic substances issues. A ultraviolet rays are irradiated to the sample liquid, the organic matter contained in the sample solution is oxidized and decomposed to to generate carbon dioxide, and to absorb the oxidative decomposition part for releasing carbon dioxide from the sample solution, the released carbon dioxide a carbon dioxide absorption section, and a measuring unit for measuring the amount of absorbed carbon dioxide, the oxidative decomposition part, a reaction vessel for performing the oxidative decomposition of the organic substances contained in the sample liquid, so as to irradiate the reaction vessel with a UV light source is placed, the gas transfer means are connected to the reaction vessel for bubbling the sample solution in the reaction vessel, the carbon dioxide absorption section, exhibits alkalinity to absorb the carbon dioxide that has been transferred from the reaction vessel, flame with an absorption vessel containing a liquid containing metal ions to form a soluble carbonate salt, the measuring unit is provided with a turbidity meter to measure the turbidity of the liquid in the absorption vessel. [Selection Figure] Figure 1