ICP-AES法测定猪骨、猪牙中超微量稀土元素  

Determination of Ultra Trace Rare Earth Elements in of Pig's Bone and Teeth by ICP-AES

作　　者：邓旭旗[1] 钟志光[2] 刘崇华[2] 贺柏龄[2] 陈丰连[3] 孔聘颜[4] 钟广涛[4] 

机构地区：[1]东莞出入境检验检疫局,广东省东莞市523071 [2]广州出入境检验检疫局 [3]广州中医药大学,广州市510405 [4]中山大学,广州市510275

出　　处：《光谱实验室》2001年第2期176-182,共7页Chinese Journal of Spectroscopy Laboratory

摘　　要：利用 P50 7萃淋树脂预富集分离技术 ,结合 ICP- AES法测定猪骨、猪牙中超微量稀土元素 L a、Ce、Pr、Nd、Sm、Y。本法排除了基体中 Ca、P的干扰 ,方法检出限为 2 .0— 4 .4 ng/ g,回收率为 80 %— 90 % ,RSD为3.1%— 9.1% ,适用于市售猪体内稀土水平的检测。Using preconcentration-separation technique with P_507-extraction chromatograph resin,an inductively coupled plasma atomic emission spectrometry method for determination of ultra trace rare earth elements in the pig's bones and teeth was developed.La, Ce, Pr, Nd, Sm, Y in the samples were detected without the interference of Ca & P.The detection limits of the method were in the range of 2.0—4.4ng/g.The recovery rates and precision of the method were in the range of 80%—90% and 3.1%—9.1% respectively.The method can be used to determine rare earth elements in market pigs.

关 键 词：电感耦合等离子体原子发射光谱 猪骨 猪牙 稀土元素 P507萃淋树脂 测定 

分 类 号：R155.5[医药卫生—营养与食品卫生学] O614.33[医药卫生—公共卫生与预防医学]