粉末压片-X射线荧光光谱法测定铌铁合金中铁、铌、硅、铝、磷  

Determination of Fe,Nb,Si,Al,P in Ferroniobium Alloy by Powder Compression X-ray Fluorescence Spectrometry

作　　者：段家华 杜顺林 吴光耀 严海 何飞宏 曹重 DUAN Jiahua;DU Shunlin;WU Guangyao;YAN Hai;HE Feihong;CAO Chong(Technical Center of WUkun Yuxi Xinxing Steel Co.,Ltd.,Yuxi,Yunnan 653100,China;Kungang science and Technology Information Center,Anning,Yunnan 650302,China)

机构地区：[1]武昆股份玉溪新兴钢铁有限公司技术中心,云南玉溪653100 [2]昆钢科技创新中心,云南安宁650302

出　　处：《中国无机分析化学》2020年第4期67-70,共4页Chinese Journal of Inorganic Analytical Chemistry

摘　　要：为提高铌铁合金检验效率,替代繁琐的化学湿法分析,采用粉末压片制样,利用X荧光光谱法对铌铁合金中Fe、Nb、Si、Al、P 5种主要成分进行测定。选用定值过的生产样品作为内控标准样品,主要研究制样细节对分析结果的影响,确认合适的试样粒度和压片参数,通过曲线拟合建立校准曲线。测定结果与化学湿法和电感耦合等离子体原子发射光谱法测定结果比较,各组分精密度相对标准偏差为0.48%~1.9%,准确度满足国标分析要求。In order to improve the inspection efficiency of ferroniobium alloy and replace the complicated wet chemical analysis,this paper uses powder pressing to make samples and X-ray fluorescence spectrometry to analyze the five main components of Fe,Nb,Si,Al and P in ferroniobium alloy.The fixed value production sample was selected as the internal control standard sample,this paper mainly studied the influence of sample preparation details on the analysis results,and confirmed the appropriate sample size and tablet pressing parameters,and established the calibration curve by curve fitting.The results were compared with chemical wet method and inductively coupled plasma atomic emission spectrometry,the relative standard deviation of each component is 0.48%—1.9%,and the accuracy meets the requirements of national standard.

关 键 词：X射线荧光光谱法 压片 铌铁合金 铁 铌 硅 铝 磷 

分 类 号：O657.34[理学—分析化学] TH744.15[理学—化学]