电感耦合等离子体发射光谱法测定蒙脱石中钛含量  

Determination of Titanium Content in Montmorillonite by Inductively CoupledPlasma Optical Emission Spectrometry

作　　者：马继承[1] 马婧 王爱霞[1] Ma Jicheng;Ma Jing;Wang Aixia(Faculty of Chemistry,Northeast Normal University,Changchun 130024,China;Jilin Provincial Experimental School,Changchun 130024,China)

机构地区：[1]东北师范大学化学学院,吉林长春130024 [2]吉林省实验中学,吉林长春130024

出　　处：《广东化工》2024年第18期190-191,243,共3页Guangdong Chemical Industry

基　　金：吉林省教育厅科学技术研究项目(JJKH20231303KJ)。

摘　　要：本研究建立了电感耦合等离子体发射光谱法(ICP-OES)测定蒙脱石中钛(Ti)元素含量的检测方法。实验结果表明该方法线性关系良好,相关系数(r)大于0.999;钛元素的检出限和定量限分别为0.0965和0.318 mg·kg^(-1);精密度和重复性的相对标准偏差(RSD)分别为0.676%和2.29%,加标回收率为99.69%。以上结果说明该方法检出限低,精密度和准确度高,是检测蒙脱石以及类似矿物样品钛元素的理想分析方法。A detection method for determining titanium in montmorillonite by inductively coupled plasma optical emission spectroscopy(ICP-OES)has been established.The experimental results show that the method has a good linear relationship,and the correlation coefficient(r)is greater than 0.999;The detection limit and quantification limit of titanium element are 0.0965 and 0.318 mg·kg^(-1),respectively;The relative standard deviation(RSD)of precision and repeatability were 0.676%and 2.29%,respectively,and the recovery rate of samples was 99.69%.The above results indicate that this method has a low detection limit,high precision and accuracy,and is an ideal analytical method for detecting titanium elements in montmorillonite and similar mineral samples.

关 键 词：蒙脱石 电感耦合等离子体发射光谱 钛 

分 类 号：O657.31[理学—分析化学]