Tamm溶液提取-石墨炉原子吸收光谱法测定土壤中有效钼  

Determination of Available Molybdenum in Soil by Tamm Solution Extraction and Graphite Furnace Atomic Absorption Spectrometry

作　　者：辜洋建 高玉花 陈璐 张同生 宋传洪[2] 毕建玲 王玉环 GU Yangjian;GAO Yuhua;CHEN Lu;ZHANG Tongsheng;SONG Chuanhong;BI Jianling;WANG Yuhuan(Shandong Geophysical and Geochemical Exploration Institute,Central Laboratory of Shandong Provincial Bureau of Geology and Mineral Resources,Shandong Provincial Geological Exploration Engineering Technology Research Center,Shandong Provincial Engineering Research Center for High Precision Detection of Underground Resources and Environment,Shandong Ji'nan 250013,China;Chemistry and Chemical Engineering College of Ji'nan University,Shandong Ji'nan 250022,China)

机构地区：[1]山东省物化探勘查院,山东省地矿局中心实验室,山东省地质勘查工程技术研究中心,地下资源环境高精度探测山东省工程研究中心,山东济南250013 [2]济南大学化学化工学院,山东济南250022

出　　处：《山东国土资源》2024年第2期40-43,共4页Shandong Land and Resources

基　　金：2023年度院科技攻关项目(KY202307)。

摘　　要：提出了Tamm溶液提取-石墨炉原子吸收光谱法对土壤样品中有效钼的测定方法。有效钼标准曲线的相关系数为0.9995,方法检出限为0.005 mg/kg,定量限为0.018 mg/kg;采用有证标准物质对方法适用性进行了考察,本方法测定值与认定值基本一致,且相对误差(RE)不大于4.17%,相对标准偏差(RSD)不大于7.87%,本方法检出限低、精密度和正确度较好,满足土壤样品测试工作的要求,简化了工作流程,提高了工作效率,适用于批量土壤样品中有效钼的测定。A method for the determination of available molybdenum in soil samples by Tamm solution extraction and graphite furnace atomic absorption spectrometry has been presented.The correlation coefficient of available molybdenum standard curve is 0.9995,the detection limit is 0.005mg/kg,and the quantitation limit is 0.018mg/kg.The applicability of the method has been investigated by using certified reference materials.The measured value of the method is basically consistent with the certified value,the relative error(RE)is less than 4.17%,and the relative standard deviation(RSD)is less than 7.87%.The detection limit of the method is low,the precision and accuracy are good,which will meet the requirements of soil sample testing and simplified the work flow.The work efficiency has been improved.It is suitable for the determination of available molybdenum in batch soil samples.

关 键 词：有效钼 土壤 石墨炉原子吸收光谱法 

分 类 号：O657.31[理学—分析化学]