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Determining Oil Content in Water

  • The content of petroleum pollutants in environmental water is one of the indicators reflecting water quality. This article employs a three-wavelength quantitative method to test the oil content in water,which offers convenience in sample testing and ensures accurate data.The petroleum substances in environmental water originate from industrial wastewater and domestic sewage pollution. These oil substances form an oil film on the water surface, affecting the gas exchange between air and water. Additionally, when oil is dispersed in water, adsorbed onto particles, or exists in an emulsified state, its decomposition by microorganisms consumes dissolved oxygen in the water, leading to potential deterioration in water.

  • Mineral oil is a mixture composed of alkanes, cycloalkanes, and aromatic hydrocarbons. This article refers to the “Infrared Spectrophotometric Method for Determination of Oil Content in Water Quality” and employs a three-wavelength infrared spectroscopy method to measure surface water.

  • The obtained results are accurate, avoiding the use of “standard oil.”