石墨管原子吸收法测定原子簇化合物中钼铁含量

高等学校化学学报 ›› 1984, Vol. 5 ›› Issue (1): 122.

石墨管原子吸收法测定原子簇化合物中钼铁含量

牛淑云, 秦笃捷, 李晶, 李淑芹, 王铁钢, 金钦汉

吉林大学化学系

收稿日期:1982-10-29 出版日期:1984-02-24 发布日期:1984-02-24

THE DETERMINATION OF Mo AND Fe IN Mo-Fe-S CLUSTER COMPOUNDS BY A. A. S. WITH GRAPHITE FURNACL ATOMIZER

Niu Shuyun, Qin Zhujie, Li Jing, Li Shuqin, Wang Tiegang, Jin Qinhan

Department of chemisty, Jilin University, Changchun

Received:1982-10-29 Online:1984-02-24 Published:1984-02-24

摘要/Abstract

摘要： 不久前,我们研究了火焰原子吸收测定Mo-Fe-S原子簇化合物中钼铁元素的方法,收到了较好的效果^[1]。但待测液中铁的含量小于20μg/ml时,铁对钼测定所产生的正干扰消除得不理想。并且当钼、铁浓度小于10μg/ml时,测量的准确度较差.为了克服以上不足,我们研究了石墨管原子吸收法测定低含量钼、铁元素的方法,取得了满意的结果.

Abstract: Aprocedure was established for the determination of Mo and Fe in Mo-Fe-Scluster compounds by atomic absorption spectrophotometry with graphite furnace atomizer. It has significant advantages over the traditional technigues for the analysis of samples containing less than 1% Mo or Fe or of very small samples.The sensitivities are 10 ppb for Fe and 5 ppb for Mo. There is no interfere between different elements and the pretreatment of sample is simple.The recoveries of both Mo and Fe are 100±5% and the precisions (as variance coefficients) Fe<4% and Mo<2% in the concentration range of 0.1-1.0 ppm Fe or Mo.

TrendMD:

牛淑云, 秦笃捷, 李晶, 李淑芹, 王铁钢, 金钦汉. 石墨管原子吸收法测定原子簇化合物中钼铁含量. 高等学校化学学报, 1984, 5(1): 122.

Niu Shuyun, Qin Zhujie, Li Jing, Li Shuqin, Wang Tiegang, Jin Qinhan. THE DETERMINATION OF Mo AND Fe IN Mo-Fe-S CLUSTER COMPOUNDS BY A. A. S. WITH GRAPHITE FURNACL ATOMIZER. Chem. J. Chinese Universities, 1984, 5(1): 122.