检验检疫学刊
檢驗檢疫學刊
검험검역학간
INSPECTION AND QUARANTINE SCIENCE
2012年
5期
14-16
,共3页
孙克强%曹晓燕%罗喆%利永杰
孫剋彊%曹曉燕%囉喆%利永傑
손극강%조효연%라철%리영걸
ICP-AES%铜精矿%重金属%锗内标
ICP-AES%銅精礦%重金屬%鍺內標
ICP-AES%동정광%중금속%타내표
ICP-AES%Copper Concentrate%Heavy Metals%Germanium Internal Standard
以锗为内标,用电感耦合等离子体原子发射光谱法同时测定铜精矿中铅、砷、镉元素的含量,有效地消除了仪器及环境波动等非光谱干扰的影响。被测元素在0.5-10.0mg/L的范围内具有良好的线性;铅、砷、镉元素检出限分别为为10.6μg/L、10.8μg/L、6.0μg/L,测试值相对标准偏差分别为1.31%、0.93%、1.05%。同样条件下,测试结果优于直接法测试结果。
以鍺為內標,用電感耦閤等離子體原子髮射光譜法同時測定銅精礦中鉛、砷、鎘元素的含量,有效地消除瞭儀器及環境波動等非光譜榦擾的影響。被測元素在0.5-10.0mg/L的範圍內具有良好的線性;鉛、砷、鎘元素檢齣限分彆為為10.6μg/L、10.8μg/L、6.0μg/L,測試值相對標準偏差分彆為1.31%、0.93%、1.05%。同樣條件下,測試結果優于直接法測試結果。
이타위내표,용전감우합등리자체원자발사광보법동시측정동정광중연、신、력원소적함량,유효지소제료의기급배경파동등비광보간우적영향。피측원소재0.5-10.0mg/L적범위내구유량호적선성;연、신、력원소검출한분별위위10.6μg/L、10.8μg/L、6.0μg/L,측시치상대표준편차분별위1.31%、0.93%、1.05%。동양조건하,측시결과우우직접법측시결과。
Germanium(Ge) serving as internal standard,a method with ICP-AES spectrometer for simultaneous determination Lead,Arsenic,Cadmium in Copper concentrate,effectively eliminating the instruments and the fluctuation of the environment of non spectral interference,was set up.In the present experiment,the measured elements in the 0.5-10.0mg / L range have good linearity.Pb,As,Cd element detection limit were 10.6μg/L,10.8μg/L,6.0μg/L respectively,the values of RSD were 1.31%,0.93%,1.05%.Under the same conditions,the test results were better than the test results of direct method.
