磷石膏中SO_(3)含量不同检测方法的研究  

Research on Different Detection Methods for SO_(3) Content in Phosphogypsum

作　　者：令狐燕 刘治年 陈雨 LINGHU Yan;LIU Zhinian;CHEN Yu

机构地区：[1]瓮福(集团)有限责任公司,贵州福泉550501

出　　处：《化工设计通讯》2024年第9期21-25,共5页Chemical Engineering Design Communications

摘　　要：为探寻一种检测磷石膏中SO_(3)含量结果准确性高,检测速度快的检测方法。该研究以滤盘石膏为研究对象,采用重量法、电感耦合等离子体发射光谱法、结晶水换算法、X射线荧光分析法和全自动分析系统法进行SO_(3)含量分析,以各方法的精密度、准确度、加标回收、分析时长为考察指标。结果表明:①作为SO_(3)基准方法的重量法的精密度最优,全自动分析法次之,ICP检测法最差;②全自动分析法的准确度最优,重量法略低,ICP法最差;③重量法的加标回收实验结果最优,ICP法最差;④全自动分析法的检测速度最快,自动化程度最高。综上认为,全自动分析法进行磷石膏中SO_(3)含量分析,其分析数据准确可靠,分析时间最短,自动化程度最高,该方法为解决磷石膏中SO_(3)含量检测提供了新的思路,同时也能更好地满足快速检测磷石膏样品中三氧化硫含量的需求。To explore a detection method with high accuracy and fast detection speed for detecting SO_(3) content in phosphogypsum.This study focuses on the analysis of SO_(3) content in filter gypsum using weight method,inductively coupled plasma emission spectroscopy,crystal water exchange algorithm,X-ray fluorescence analysis,and fully automated analysis system method.The precision,accuracy,spiked recovery,and analysis time of each method are used as the evaluation indicators.The key findings are as follows:①The weight method,as the SO_(3) benchmark method,has the best precision,followed by the fully automated analysis method,and the ICP detection method is the worst;②The accuracy of the fully automated analysis method is the best,the weight method is slightly lower,and the ICP method is the worst;③The weight method showed the best results in the spiked recovery experiment,while the ICP method had the worst results;④The fully automated analysis method has the fastest detection speed and the highest degree of automation.In summary,The fully automatic analysis method is used to analyze the SO_(3) content in phosphogypsum,which has accurate and reliable analysis data,the shortest analysis time,and the highest degree of automation.This method provides a new idea for detecting the SO_(3) content in phosphogypsum,and can also better meet the needs of rapid detection of sulfur trioxide content in phosphogypsum samples.

关 键 词：磷石膏 三氧化硫 含量分析 对比 全自动化系统分析法 

分 类 号：TQ177.375[化学工程—硅酸盐工业]