oxidationanalysers

Oxidation analysers are analytical instruments designed to measure the concentration of oxidizable substances in various samples, primarily in environmental, industrial, and research applications. These devices are commonly used to determine the chemical oxygen demand (COD) or biochemical oxygen demand (BOD) of water samples, which are critical indicators of water quality and pollution levels. By quantifying the amount of oxygen required to oxidize organic and inorganic compounds in a sample, oxidation analysers provide insights into the organic load and potential toxicity of wastewater or natural water bodies.

The operation of oxidation analysers typically involves the oxidation of sample components using a strong oxidizing agent, such as potassium dichromate or potassium permanganate, in an acidic medium. The excess oxidant is then titrated or measured photometrically, allowing for the calculation of the oxygen demand. Modern analysers often employ automated systems with flow injection analysis (FIA) or segmented flow techniques to improve accuracy, precision, and throughput. Some advanced models integrate digital sensors and software for real-time monitoring and data logging.

Oxidation analysers find widespread use in municipal wastewater treatment plants, where they help regulate treatment processes and ensure compliance with environmental regulations. They are also employed in industrial settings to monitor effluents from manufacturing processes, such as textiles, paper, and chemical production. In research, these instruments aid in studying water pollution, aquatic ecology, and the effectiveness of remediation strategies. The choice of analyser depends on factors such as sample type, required sensitivity, and operational demands, with options ranging from bench-top units to portable field-deployable devices.