碱熔-蒸馏-ICP-AES法测定载体催化剂中钌  

Determination of Ruthenium Content in Carrier Catalyst by ICP-AES after Alkali Fusion-Distillation Separation

作　　者：赵文虎 杨洋 杨辉 甘建壮 滕龙 贾贵发 马媛 鲁瑞智 ZHAO Wen-hu;YANG Yang;YANG Hui;GAN Jian-zhuang;TENG Long;JIA Gui-fa;MA Yuan;LU Rui-zhi(Sino-platinum Metals Co.Ltd.,State key Laboratory of Advanced Technology of Comprehensive Utilization of Platinum Metals,Sino-Platinum Metals Testing Technology(Yunnan)Co.Ltd.,Kunming 650106,China)

机构地区：[1]贵研铂业股份有限公司稀贵金属综合利用新科技术国家重点实验室,贵研检测科技(云南)有限公司,昆明650106

出　　处：《贵金属》2020年第S01期192-195,共4页Precious Metals

摘　　要：研究了Ru/Al2O3催化剂中钌含量的测定,考察了溶样方法、测定方法、测定条件的影响。选用750℃过氧化钠熔融,以高锰酸钾和铋酸钠蒸馏分离,用电感耦合等离子体原子发射光谱法(ICP-AES)测定样品中钌含量。结果表明,方法测定含量范围0.1%~10%,精密度(RSD)为2.0%~2.5%,加标回收率为96.9%~102.8%,可满足实际物料中钌含量测定的要求。The determination of ruthenium content in Ru/Al2 O3 catalyst was studied.The sample dissolving,the determination method and conditions were investigated.The sample is melted by sodium bismuthate and sodium peroxide at 750°C.Ru was distilled and separated from the solution.Concentration of Ru was determined by inductively coupled plasma atomic emission spectroscopy(ICP-AES).The determination range is 0.1%~10%,with an RSD of 2.0%~2.5%and recoveries of 96.9~102.8%.The methods can meet the requirement of ruthenium content determination for the real materials.

关 键 词：Ru/Al2O3催化剂 钌含量 碱熔 蒸馏 ICP-AES 

分 类 号：O657.31[理学—分析化学] O652.6[理学—化学]