火焰原子吸收分光光度法测定污染土壤中5种重金属
Soil and Fertilizer Sciences in China(2009)
Abstract
采用微波消解法预处理待测土壤,火焰原子吸收分光光度法测定污染土壤消解液中的锌、铜、铅、镉、铬5种重金属。方法简便、灵敏、准确,土壤中锌的相对标准偏差为1.2%;铜的相对标准偏差为1.9%;铅的相对标准偏差为1.2%;镉的相对标准偏差为5.2%;铬的相对标准偏差为1.8%。方法的加标回收率锌为76.8%~104%;铜为86.9%~95.3%;铅为83.0%~94.4%;镉为83.2%~91.9%;铬为90.9%~96.1%,适用于污染土壤中重金属含量的测定。
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Key words
determination,contaminated soil,heavy metals,atomic absorption spectrophotometry
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