电感耦合等离子体发射光谱法测定磷精矿中磷、镁、钙、铁、铝、钾、钠、硫  

Determination of phosphorus,magnesium,calcium,iron,aluminum,potassium,sodium and sulfur in phosphate concentrate by ICP-AES method

作　　者：唐丽丹 高德池 易琴 丁桂成 TANG Lidan;GAO Dechi;YI Qin;DING Guicheng(Hubei Dayukou Chemical Co.,Ltd.,Jingmen 443100,China)

机构地区：[1]湖北大峪口化工有限责任公司,湖北荆门443100

出　　处：《磷肥与复肥》2023年第10期37-39,共3页Phosphate & Compound Fertilizer

摘　　要：采用电感耦合等离子体发射光谱技术建立了磷精矿中磷、镁、钙、铁、铝、钾、钠、硫元素的测定方法。样品前处理采用微波消解,该方法灵敏度好,检出限在0.003 4~0.064 5μg/mL;标准曲线线性良好,相关系数均高于0.999;精密度好,相对标准偏差≤8.77%(n=6);准确度高,加标回收率在97%~101%。该方法简单、快速、高效,可用于磷精矿中8种元素的同时快速测定。The determination method of phosphorus,magnesium,calcium,iron,aluminum,potassium,sodium and sulfur in phosphate concentrate is established using ICP-AES.Microwave digestion is used for sample pretreatment.This method has good sensitivity,with a detection limit of 0.0034-0.0645μg/mL;Good linearity,with correlation coefficients higher than 0.999;Good precision,with relative standard deviation no more than 8.77%(n=6);High accuracy,with recovery rates ranging from 97%to 101%.This method is simple,fast and efficient,and can be used for the simultaneous and rapid determination of 8 elements in phosphate concentrate.

关 键 词：电感耦合等离子体发射光谱法 磷精矿 磷 镁 钙 铁 铝 钾 钠 硫 检测 

分 类 号：O657[理学—分析化学]