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东北大豆是我国重要的自然资源,而东北大豆种子中稀土元素含量未见报道。应用ICP—MS对东北7个主栽大豆品种中的稀土元素进行了初步分析。结果表明7个品种大豆种子中检测到13种稀土元素,含量一般都在0~20 ng/g之间,含量超过1 ng/g的稀土元素含量的顺序是Ce>La>Nd>Pr>Eu>Sm>Gd。
Northeast soybean is an important natural resource in our country, while the content of REE in Northeast soybean has not been reported. The contents of rare earth elements in seven main soybean cultivars in Northeast China were analyzed by ICP-MS. The results showed that 13 kinds of rare earth elements were detected in 7 varieties of soybean seeds and their contents were generally between 0 and 20 ng / g. The order of the contents of rare earth elements with the contents exceeding 1 ng / g was Ce> La> Nd> Pr> Eu > Sm> Gd.