中子活化法研究叶绿体中的稀土元素  

Determination of Rare Earth Elements in Chloroplasts by Neutron Activation Analysis

作　　者：张智勇[1] 王玉琦[1] 李福亮[1] 柴之芳[1] 

机构地区：[1]中国科学院高能物理研究所中科院核分析技术开放实验室,北京100080

出　　处：《北京大学学报（自然科学版）》2001年第2期173-175,共3页Acta Scientiarum Naturalium Universitatis Pekinensis

基　　金：国家自然科学基金! (2 98710 30 ;19935 0 2 0 );中科院核分析技术开放实验室基金资助项目

摘　　要：用中子活化分析测定了油菜叶绿体中的稀土元素含量。结果表明叶绿体中含有微量稀土 ,其含量相当于每个稀土原子对应约 2 0 0 0个叶绿素分子 ,低于Fe ,Mn 。The contents of 8 rare earth elements(REEs)in chloroplasts of Brassia napus were determined by instrumental neutron activation analysis.The results indicated that there were trace amounts of REEs in the chloroplasts,which corresponded to 1 atom of REEs per 2000 chlorophyll molecules.This content was lower than the microelements already known essential for the process of photosynthesis such as Fe,Mn and Cu.

关 键 词：稀土元素 叶绿体 中子活化分析 油菜 含量测定 分离纯化 光合作用 

分 类 号：O615.45[理学—无机化学] O614.3[理学—化学]