Abstract
Water is the source of life, people take food as the sky, and food takes water first. With the discharge of industrial waste water, urban and rural domestic sewage and the increasing consumption of pesticides and fertilizers, many drinking water sources have been polluted, and the pollutant content in water has seriously exceeded the standard, which makes it difficult to guarantee the drinking water quality and hygiene of urban and rural residents who directly drink surface water and shallow groundwater. Classical wet chemical analysis method can only use different methods to determine parameters individually, and it has low sensitivity, many interferences and lengthy steps. According to the calculation method of conductivity in water quality analysis, this paper introduces the coincidence degree between measured conductivity and calculated conductivity, and the principle and practical application of taking the correlation between conductivity and total ion as quality control method.
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