粉末压片-X射线荧光光谱法测定沙特某地区磷矿石中的氯  

Determination of chlorine in phosphate rock in Saudi Arabia by powder tablet pressing and X-ray fluorescence spectrometry

作　　者：张江坤[1] 欧志兵[1] 甘海轩 史鑫[1] 余慧茹[1] 彭桦[1] ZHANG Jiangkun;OU Zhibing;GAN Haixuan;SHI Xin;YU Huiru;PENG Hua(Phosphate Resources Development and Utilization Engineering Research Branch,Yunnan Phosphate Chemical Group Co.,Ltd.,Kunming 650600,China)

机构地区：[1]云南磷化集团有限公司磷资源开发利用工程技术研究分公司,云南昆明650600

出　　处：《磷肥与复肥》2022年第2期36-37,45,共3页Phosphate & Compound Fertilizer

基　　金：国家重点研发计划项目子课题“非常规湿/热法加工副产物有害组份迁移转化规律研究”(2018YFC1900203-01)。

摘　　要：采用三乙醇胺作助研剂、纤维素作黏结剂粉末压片,X射线荧光光谱法测定磷矿石中的氯含量。用理论α系数法校正,该方法检出限为15μg/g,标准曲线线性范围为18~15000μg/g,校正后相关系数为0.994,方法准确度高,精密性好,满足分析测试要求,适合生产过程中控制样分析。The content of chlorine in phosphate rock is determined by powder tablet pressing and X-ray fluorescence spectrometry with triethanolamine as research assistant and cellulose as binder.The theoretical a coefficient method is used for correction,the detection limit of this method is 15μg/g,the linear range of the standard curve is 18-15000μg/g,the correlation coefficient is 0.994 after correction.The method has high accuracy and good precision,meeting the analysis and test requirements,and is suitable for the analysis of control samples in the production process.

关 键 词：X射线荧光光谱 粉末压片 磷矿石 氯 

分 类 号：TQ041.7[化学工程]