摘要
用电感耦合等离子体发射光谱法测定磷矿石中微量有毒元素铅、砷和镉,并对溶样条件及共存元素干扰和仪器工作条件进行了试验。方法检出限为Pb0.042mg/L、As0.053mg/L、Cd0.006mg/L;相对标准偏差为(RSD,n=11)Pb0.86%、As1.36%和Cd1.08%;回收率为Pb109.3%、As94.0%和Cd90.0%。方法用于分析磷矿石标准样品和出口磷矿石检验样,分析结果与其他方法一致,能够满足日常检验的要求。
A method for the simultaneous determination of trace elements of lead, arsenic and cadmium in phosphate ores by inductively coupled plasma-atomic emission spectrometry （ICP-AES） was established. The detection limits of the method are 0.042 mg/L for lead, 0. 053 mg/L for arsenic and 0.006 mg/L for cadmium. The recoveries of lead, arsenic and cadmium are 109.3% , 94.0% and 90.0% with precision （ RSD,n = 11 ） of 0.86%, 1.36% and 1.08% respectively. The method has been applied to the routine inspection of lead, arsenic and cadmium in phosphate ores with satisfactory results.
出处
《岩矿测试》
CAS
CSCD
北大核心
2009年第4期370-372,共3页
Rock and Mineral Analysis
基金
广西检验检疫局科研制标项目--磷化工产品中有害元素测定的方法研究项目资助(2008K006)
关键词
电感耦合等离子体发射光谱法
磷矿石
铅
砷
镉
inductively coupled plasma-atomic emission spectrometry
phosphate ore
lead
arsenic
cadmium
