中国资源综合利用2026，Vol.44Issue(9)：9-11,3.DOI:10.3969/j.issn.1008-9500.2026.09.003
土壤中砷的经口生物可给性测定研究
Study on the Determination of Oral Bioaccessibility of Arsenic in Soil
陈海燕1
作者信息
- 1. 广东实朴检测服务有限公司,广东 广州 510000
- 折叠
摘要
Abstract
To establish a quantitative method for determining the oral bioaccessibility of arsenic in soil,a simulated gastric extraction solution was used to extract arsenic from soil samples,and the arsenic concentration in the extract was determined by Inductively Coupled Plasma Mass Spectrometry(ICP-MS)method.The oral bioaccessibility of arsenic was calculated based on the ratio of extractable arsenic to total arsenic content.The results showed that the method exhibited good linearity within the range of 0 μg/L to 100 μg/L,with a correlation coefficient of 0.999 9.The method detection limit was 0.007 mg/kg.The relative standard deviations of spiked samples ranged from 1.7%to 6.1%,and the spike recoveries ranged from 94.8%to 95.8%.The measured oral bioaccessibility of arsenic in an actual soil sample was 3.78%.The method is characterized by simple operation,high accuracy,good precision,and satisfactory stability.It is suitable for the determination of oral bioaccessibility of arsenic in soil and can provide technical support for human health risk assessment and risk management of arsenic-contaminated sites.关键词
砷/经口生物可给性/胃模拟提取液/电感耦合等离子体质谱(ICP-MS)/土壤Key words
arsenic/oral bioaccessibility/simulated gastric extraction solution/Inductively Coupled Plasma Mass Spectrometry(ICP-MS)/soil分类
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陈海燕..土壤中砷的经口生物可给性测定研究[J].中国资源综合利用,2026,44(9):9-11,3.
