High precision in situ acquisition and analysis method as well as apparatus of sediment clearance phosphorus in water
An analysis method and sediment technology, which can be applied to sampling devices, material analysis by observing the effect on chemical indicators, and analysis by chemical reaction of materials, etc., can solve problems such as application limitations, and achieve high production costs. The effect of simple sampling device and simple film making process
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[0044] Example: The columnar sediments in the polluted lake area and the non-polluted lake area in the center of Taihu Lake were respectively taken as test samples for high-concentration and low-concentration interstitial phosphorus. Obtain the phosphorus content distribution of interstitial water of both by the method of the present invention. At the same time, the sediment was sliced by 1 cm, centrifuged at 4000rmp to obtain interstitial water, and the phosphorus content in the interstitial water was analyzed. From figure 1 , 2 It can be seen from the figure that the concentration of phosphorus in the polluted sediment profile shows an obvious gradient change, and the concentration gradually increases along the profile. The phosphorus concentration in the unpolluted sediment profile was significantly lower than that in the polluted sediment, and peaked at the surface 2cm. Regardless of the profile of polluted or unpolluted sediments, the phosphorus distribution obtained...
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