摘要
通过放射示踪技术，研究了新月藻（Ｃｌｏｓｔｅｒｉｕｍｌｕｎｕｌａ）对稀土元素镧（Ｌａ）的吸收富集状况．结果表明，新月藻对稀土元素镧有很强的吸收富集能力，其富集量随处理时间的延长而增加，两者呈很好的指数关系；高浓度（１０ｍｇ／Ｌ）处理组的富集量和富集系数。
The state of absorption and concentration of Lanthanum in Closterium lunula was studied. The results showed that Closterium lunula could absorb and concentrate Lanthanum strongly. The concentration content of Lanthanum increased with test time prolonging,and there was a singnificant exponent correlation between them.It was also showed that the concentration content and concentration factor of Lanthanum in Closterium lunula under 10 mg/L(La 3+ ) treating were higher than which under 2 mg/L(La 3+ ) treating.
基金
浙江省自然科学基金
关键词
新月藻
稀土元素
镧
生物富集
Closterium lunula
rare earth element
Lanthanum
bio concentration
