ICP-AES法测定氢化松香甘油酯中金属离子含量  

Determination of metal ion content in the hydrogenated rosin glyceride by ICP-AES

作　　者：谭沛[1,2] 翟卢琼[2] 陈小鹏[2] 石建荣 马柳军 

机构地区：[1]广西工业职业技术学院石油与化学工程系,南宁530003 [2]广西大学化学化工学院,南宁530004 [3]广西华锑化工有限公司,南宁530221

出　　处：《食品科技》2008年第12期288-290,共3页Food Science and Technology

基　　金：国家自然科学基金项目(30560119);广西青年基金项目(桂科青0640001);广西自然科学基金项目(0575003);广西大学科研基金项目(X061020)

摘　　要：采用干法灰化处理氢化松香甘油酯样品,以ICP-AES法测定其中Fe、Al、Zn、Cu、Pb和Ni 6种金属离子的含量。通过正交实验考察ICP仪器工作参数,结果表明最佳测定条件为射频功率1300 W、雾化器流量0.70 L/min、试样提升量2.00 mL/min、辅助气流量0.20 L/min、等离子体流量15 L/min,方法检出限为0.000245-0.006018μg/mL。此法简便、快速、灵敏度高、准确性好、对环境污染小,可多元素同时测定。The contents of trace elements of Fe, Al, Zn, Cu, Pb and Ni in the hydrogenated rosin glyceride were determined by ICP-AES, and the sample was pretreated by the dry ashing method. The ICP instrument work parameters were obtained by orthogonal tests, the optimal conditions have been obtained as follows： RF power 1300 W, the flow rate of atomizer 0.70 L/min, sample uptake 2.00 mL/min, the flow rate of auxiliary gas 0.20 L/min, and plasma flow rate 15 L/min. The detection limits were 0.000245N0.006018 μg/mL. This method proved to be simple, rapid, accurate, less environment contamination, can determine many elements simultaneously.

关 键 词：ICP—AES 氢化松香甘油酯 金属离子 

分 类 号：O675.5[理学—化学]