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A multi-parameter water quality analyzer is a special instrument for analyzing the content of water quality components. It mainly refers to the determination of BOD, COD, ammonia nitrogen, total phosphorus, total nitrogen, turbidity, PH and dissolved oxygen in the water. Water quality detectors play an important role in environmental protection, water quality testing and water resources protection. On the other hand, when we use a multi-parameter water quality analyzer, the detection accuracy is inaccurate. What is the reason?
First of all, the personnel responsible for water quality testing should adopt different water quality monitoring methods for different water quality. For example, groundwater quality monitoring methods are very different from groundwater quality monitoring methods. The quality of groundwater can be collected by the water level and volume of the water body. Basic data collection and monitoring of changes in flow and direction, urban distribution along water bodies, industrial layout, pollution sources and their emissions, and urban water supply and drainage.
The collection of groundwater quality is based on urban development, industrial distribution and land use in water quality areas. In particular, it is necessary to understand the application of underground engineering to find out sewage irrigation, sewage treatment and other water sample collection conditions.
The second is the source factor. That is to say, if the water quality monitor confuses the source of the water quality being monitored, it may also lead to the inability to provide the correct solution to the water quality problem. If the water quality of an area is polluted, it can generally be divided into industrial wastewater and urban wastewater.
Secondly, the shape and size of the particles: the particles are smaller than 1/10 of the wavelength of visible light, and the scattered light is symmetrical. Larger particles (usually having a diameter larger than the wavelength of visible light) are asymmetrically dispersed, so the turbidity is measured and the scattering angle must be considered.
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