微波消解在茶叶和土壤稀土元素与重金属元素分析中的应用
China Measurement & Test(2010)
Abstract
采用微波消解法对茶叶和土壤样品进行处理,以ICP-MS测定了其中的稀土、重金属元素以及I,Te,Rb等鲜有报道的元素,完善了微波消解技术的应用体系,并与电热板消解法做了准确度、精密度与回收率比较。方法检出限(LOD)为0.4(Se)~0.001(Te)ng·g-1。实验证明,微波消解法能够完全满足土壤和茶叶中重金属与稀土元素消解的要求。
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Key words
ICP-MS,Heavy metals,Microwave digestion,Rare earth elements
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