Thermo Fisher Scientific has developed a new Total Residual Oxidant (TRO) analyzer to address the needs of the wastewater industry, which calls for a robust, dependable instrument capable of reliably measuring low ppb chlorine concentrations in effluent and treated wastewater in line with stringent regulatory requirements.
Operating on the U.S. Environmental Protection Agency-approved iodometric electrode technology, the Thermo Scientific Orion 7070iX TRO Analyzer has been designed to offer high sensitivity for low-level chlorine measurements down to 1 ppb with 1 ppb resolution. With this unique capability, the system provides users with the confidence that chlorine concentrations in water discharged into natural water sources do not exceed the safety threshold or pose a threat to marine life. For optimal application flexibility, the new analyzer also enables full range measurements up to 15ppm.
Compared to the conventional DPD (N,N-Diethyl-1,4-
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