Occurrence of perchlorate in rice from different areas in the Republic of Korea

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• 作者：Do-Hyung Kim (1)
  Yeomin Yoon (2)
  Kitae Baek (3)
  Jonghun Han (1)
  Namguk Her (1)
  
• 关键词：Perchlorate ; Occurrence ; Rice ; River watershed contamination
• 刊名：Environmental Science and Pollution Research
• 出版年：2014
• 出版时间：January 2014
• 年：2014
• 卷：21
• 期：2
• 页码：1251-1257
• 全文大小：279 KB
• 作者单位：Do-Hyung Kim (1)
  Yeomin Yoon (2)
  Kitae Baek (3)
  Jonghun Han (1)
  Namguk Her (1)
  
  1. Department of Civil and Environmental Sciences, Korea Army Academy at Yeong-Cheon, 135-1, Changhari, GoGyeongmeon, Yeong-cheon, Gyeong-buk, 770-849, Republic of Korea
  2. Department of Civil and Environmental Engineering, University of South Carolina, Columbia, SC, 29208, USA
  3. Department of Environmental Engineering, Chonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju, Jeollabuk-do, 561-756, Republic of Korea
  
• ISSN：1614-7499

文摘

Perchlorate concentrations in rice samples from many different provinces, and correlation with surface water contamination, were investigated in the Republic of Korea. Perchlorate levels in the 51 rice samples purchased from local markets ranged from below the detection limit to 1.79?±-.39?μg/kg with a mean level of 0.21?μg/kg and 7 samples collected from the Nakdong River watershed ranged from 0.38?±-.1 to 3.23?±-.47?μg/kg with a mean level of 0.9?μg/kg. The correlation coefficient between perchlorate levels in rice samples from the Nakdong river watershed and the levels in surface water was estimated to be approximately 0.904 in the 95?% confidence interval. These results show that surface water contamination was highly related to the perchlorate pollution of rice in the Republic of Korea.