GB/T 7494-1987
ActiveWater quality--Determination of anionic surfactants--Methylene blue spectrophotometric method
水质 阴离子表面活性剂的测定 亚甲蓝分光光度法
Application Summary AI generated
This standard specifies the methylene blue spectrophotometric method for determining anionic surfactants in water. It is applied in environmental monitoring and water quality testing laboratories to measure pollution levels in surface water, groundwater, and wastewater. The method is used to assess the presence of synthetic detergents and other anionic surface-active agents, supporting regulatory compliance and pollution control efforts.
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