LI Caihong,WANG Caiyan,WANG Xiaojing.Heavy Metal Residual Characteristics of Liquorice and Pollutional Risk Assessment in Ningxia[J].Northern Horticulture,2016,40(18):159-162.[doi:10.11937/bfyy.201618039]
宁夏道地甘草重金属残留特征及污染风险评价
- Title:
- Heavy Metal Residual Characteristics of Liquorice and Pollutional Risk Assessment in Ningxia
- Keywords:
- liquorice; heavy metal; residual characteristics; correlated relationship; the pollutional risk assessment
- 文献标志码:
- A
- 摘要:
- 以宁夏不同产区甘草及种植土壤为试材，采用原子吸收法和原子荧光法，测定分析了甘草中铅、镉、砷、汞、铜等5种重金属元素含量，分析了重金属残留特征及污染风险。结果表明：在甘草中5种重金属均有不同程度的检出，但含量很低，其中Cd与Cu含量之间呈极显著相关关系，土壤中Cu含量与Pb、As、Cd含量之间存在极显著或显著相关关系，As和Pb、Cd含量之间存在极显著或显著相关关系；甘草和土壤之间Cu含量呈显著相关性。采用单项污染指数法和综合污染指数法对甘草重金属污染风险进行评价，得出宁夏产甘草无污染。
- Abstract:
- Taking Ningxia licorice in different regions and planting soil as the experimental materials，five kinds of heavy metal element content (lead，cadmium，arsenic，mercury，copper)were determinated by atomic abomic absorption and atomic fluorescence，the characteristics of heavy metal residues and pollutional risk were analyzed.The results showed that five kinds of heavy metal were detected to varying degrees in licotice，but the content was very low；it was significantly correlated relationship between Cd and Cu content in the glycyrrhiza,it was extremely significant or significant correlation between Cu and Pb,As，Cd content in the soil，between As and Pb，Cd content there was a very significant or significant correlation relationship in the soil；Cu content was significant correlation between licorice and soil.Licorice was pollution-free in Ningxia using the single pollution index and comprehensive pollution index evaluate heavy metal pollution risk.
参考文献/References:
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备注/Memo
第一作者简介：李彩虹（1979-），女，本科，助理研究员，现主要从事农产品质量标准与检测技术等研究工作。E-mail:lch6868@163.com.责任作者：王彩艳（1975-），女，本科，高级实验师，现主要从事农产品质量标准与检测技术等研究工作。E-mail:wsy24@163.com.基金项目：宁夏自然科学基金资助项目（NZ15271)。