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利用高能量Nd:YAG脉冲激光器1064nm光束聚焦待测样品表面产生等离子体,并用光谱仪和ICCD来探测其光谱信号。采用激光击穿光谱(LIBS)技术对云台山的泉水、岩石和土壤进行了定性研究。对比分析泉水和纯净水的光谱图,得出泉水中含有Ca和Mg元素。通过比较茱萸峰岩石和潭瀑峡岩石的实验结果,可知两种岩石的成分存在较大差异,潭瀑峡岩石所含成分相对较多。同时还对云台山茱萸峰土壤和中南民族大学附近的土壤进行了对比分析,发现中南民族大学电信学院附近的土壤中含有Zn、Cu、Hg,而在茱萸峰的土壤中发现一种植物生长必需的微量矿质元素Ni。
A high-energy Nd: YAG pulsed laser was used to focus the surface of the test sample with a 1064 nm beam to generate a plasma and detect the spectral signal with a spectrometer and an ICCD. The spring, rock and soil of Yuntaishan were qualitatively studied by laser breakdown spectroscopy (LIBS). Comparing the spectra of spring water and pure water, the spring water contains Ca and Mg. By comparing the experimental results of the dogwood peak rocks and the Tanbaogou rock, it can be seen that the compositions of the two rocks are quite different, and the rocks in the Tanpo waterfall gorge contain relatively more components. At the same time, comparative analysis was also made between the soil of Yuntong Cornusitou and the soil near the Central South University for Nationalities. It was found that Zn, Cu and Hg were found in the soil near Zhongnan University for Nationalities telecom college. However, a plant growth was found in the soil of Cornus officinalis Trace Mineral Element Ni.