VALIDATION PROCEDURE FOR ASSESSING THE …

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VALIDATION PROCEDURE FOR ASSESSING THE TOTAL organic carbon IN WATER SAMPLES* DIANA FLORESCU1, ANDREEA MARIA IORDACHE1, DIANA COSTINEL1, ELENA HORJ2, ROXANA ELENA IONETE1, MONICA CULEA2* 1 National R&D Institute for Cryogenics and Isotopic Technologies, Uzinei Str. 4, RO-240050, Rm. Valcea, Romania, Email: E-mail: E-mail: E-mail: 2 Univ. Babes-Bolyai, Dept. of Physics, 1 Kogalniceanu, RO-3400 Cluj-Napoca, Romania, E-mail: E-mail: Received September 5, 2011 The Total organic carbon (TOC) is an index of the total amount of organic substances in water, playing a key role in ASSESSING the efficiency of a wastewater purification process. It is used in a wide array of applications from management of wastewater treatment plant influent and effluent, to drinking water supply management, and monitoring of impurities in process and surface waters.

3 Validation procedure for assessing the total organic carbon 213 A carrier gas then sweeps the derived CO2 thought a non-dispersive infrared (NDIR) detector. Sensitive to the absorption frequency of CO2, the NDIR generates a non-linear signal that is proportional to the instantaneous concentration of CO2 in carrier gas.

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