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建立了FI-UN-ICP-AES联用技术,用所发展技术进行了头发中多种微量元素的同时测定,对载流流速、积分时间、进样体积等进行了优化。多次注射测定的再现性(RSD)在0.6%一5.0%范围内,标准加入回收率为90%一101%。
The FI-UN-ICP-AES technique was established. Simultaneous determination of various trace elements in the hair was carried out using the developed technique. The flow rate, integration time and injection volume were optimized. Reproducibility (RSD) of multiple injections was in the range of 0.6% to 5.0% with standard addition recoveries of 90% to 101%.