The investigation of groundwater pollution includes many items, including pollution point surveys, concentration and distribution of pollutants in contaminated sites, direction and trends of pollutants migration, investigation of pollution sources, impacts of pollution on the environment, and effects of pollution on the growth and development of organisms. Although the investigation of groundwater pollution covers these various aspects of work, the sampling work is the most basic task in these tasks. In particular, the sampling method occupies an important position in the investigation of groundwater pollution. The use of a soil solution sampler to sample soil solutions is currently a relatively reliable sampling method. Its use in groundwater pollution surveys has become an effective guarantee for the successful conduct of groundwater pollution surveys.
The research on soil solution can help to study and explore the formation mechanism and prevention methods of soil salinization, crop nutrients and absorption in agricultural ecology, waste stacking, fertilizer and water, waste liquids and pesticides, and the pollution mechanism and control of unsaturated groundwater and shallow groundwater. Therefore, in the investigation of groundwater pollution, the study of soil solution is an important part of it, and the sampling of the soil solution is completed by a soil solution sampler, which not only saves manpower, improves efficiency, but also results in better sampling and helps researchers. Good completion of soil solution sampling is the basic work in this soil solution research and application.
According to sampling requirements for soil solution in modern groundwater pollution surveys, the sampling work must first ensure the effect, secondly, it must be able to be completed with high efficiency, and the third is to be able to locate and monitor for a long time. The traditional sampling method is mainly to use the soaking solution method for analysis, not only the workload is large, but also can not accurately determine the dynamic changes of solute. To meet this need, Topsun developed and produced a soil solution sampler with better sampling. The instrument was designed to regularly extract soil water/solution to monitor soil solute changes and meet the current sampling requirements for soil solution in groundwater pollution surveys. It has been widely used in soil fertilizer research, soil pollution, water conservancy departments, and environmental monitoring. application.
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