天津农业科学2024，Vol.30Issue(7)：79-82,4.DOI:10.3969/j.issn.1006-6500.2024.07.013
绵阳市茶叶中16种稀土元素含量的测定
Determination of the Content of 16 Rare Earth Elements in Tea from Mianyang City
摘要
Abstract
In order to explore the content of rare earth elements(REE)in the teas in Mianyang City,a total of 87 tea samples were collected from the major producing areas in Mianyang City.After microwave digestion,16 kinds of REE were determined by Induc-tively Coupled Plasma Mass Spectrometer(ICP-MS).The results showed that the detection method used in this study had a good linear relationship,and the accuracy,precision,and method detection limits could meet the requirements of determination.The contents of REE in tea samples from Mianyang City ranged from 0.20 to 1.86 mg·kg-1,with an average of(0.95±0.41)mg·kg-1.Light rare earth elements accounted for 75.3％of the total content,and the top four elements with higher content were Ce,La,Nd,and Y,accounting for 76.4％of the total REE content.The amount of REE ingested by the tea drinkers was below the allowable daily intake limit of REE.To sum up,the teas in Mianyang City pose a low risk to human health,and Ce,La,Nd,and Y can be listed as key detection el-ements in the future detection.关键词
绵阳市/茶叶/稀土元素/电感耦合等离子体质谱仪/含量测定Key words
Mianyang City/tea/rare earth elements/inductively coupled plasma mass spectrometer/content determination分类
农业科技引用本文复制引用
王立东,白如霞,王雪梅,谭欣..绵阳市茶叶中16种稀土元素含量的测定[J].天津农业科学,2024,30(7):79-82,4.基金项目
国家自然科学基金项目(32101363) （32101363）
绵阳师范学院生态安全与保护四川省重点实验室开放基金项目(ESP1901) （ESP1901）
