Study of Arsenic Concentration and Distribution in Shell Sand of the Shell Ridge Islands by Hydride Generation Atomic Fluorescence Spectrometry
LIU Qing1, ZHAO Xi-mei1, XIE Wen-jun1, SUN Jing-kuan1, XIA Jiang-bao1, LU Zhao-hua1, 2*
1. Shandong Provincial Key Laboratory of Eco-Environmental Science for the Yellow River Delta, Binzhou University, Binzhou 256603, China 2. Institute of Restoration Ecology, China University of Mining and Technology, Beijing 100083, China
Abstract：The present paper determined the As concentration in shell sand of the shell ridge islands by hydride generation atomic fluorescence spectrometry, studied the distribution of As in shell sand of the shell ridge islands, analysed the correlations of As with other nutrient elements, and discussed the probably influencing factors affecting the As concentration and distribution in shell sand. The results showed that the range of the arsenic concentration in shell sand is between 0.78 and 8.76 mg·kg-1, the average concentration is 3.11 mg·kg-1, and this indicated that the As contamination of the shell ridge island is in clean level. The As concentration of the shell sand has a increasing trend followed by the increase with profile depth or the decrease with the particle size, and the difference in As concentrations in shell sand of different particle sizes reached the significant level (p≤0.05). The As concentration in shell sand has a very significant positive correlation with the concentrations of Cu, Zn and Mn as well as the TP and TK, whereas the correlations between As and TN or Fe are not significant. The pollutant of As in the shell sand mainly comes from the absorption and fixation by shell sand from the environment but not the accumulation of the shell organism during their growing up.
Key words：As;Spatial distribution;Shell ridge island;the Yellow River delta;Atomic fluorescence spectrometry
刘 庆1，赵西梅1，谢文军1，孙景宽1，夏江宝1，陆兆华1，2* . 原子荧光光谱法研究贝壳堤岛贝壳沙中As的空间分布特征 [J]. 光谱学与光谱分析, 2013, 33(11): 3133-3136.
LIU Qing1, ZHAO Xi-mei1, XIE Wen-jun1, SUN Jing-kuan1, XIA Jiang-bao1, LU Zhao-hua1, 2* . Study of Arsenic Concentration and Distribution in Shell Sand of the Shell Ridge Islands by Hydride Generation Atomic Fluorescence Spectrometry. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2013, 33(11): 3133-3136.
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