CAJ | 학술논문

固体直接进样是近年来石墨炉原子吸收分析领域发展较快的技术，它取代了繁冗的对固体样品的前处理，避免了样品的污染和损失，也保护了操作人员的身体健康。采用固体直接进样石墨炉原子吸收光谱仪，结合使用持久化学改进剂对环境土壤样品中 T l元素进行测定，结果表明，方法检出限：0.05 ng ，定量测定下限：0.167 ng、准确度≤0.05、精密度≤10％，均满足环境土壤测试方法的要求。
고체직접진양시근년래석묵로원자흡수분석영역발전교쾌적기술，타취대료번용적대고체양품적전처리，피면료양품적오염화손실，야보호료조작인원적신체건강。채용고체직접진양석묵로원자흡수광보의，결합사용지구화학개진제대배경토양양품중 T l원소진행측정，결과표명，방법검출한：0.05 ng ，정량측정하한：0.167 ng、준학도≤0.05、정밀도≤10％，균만족배경토양측시방법적요구。
The solid direct injection by graphite furnace atomic absorption has been rapidly developed in the field of analysis techniques recently ,w hich can replace the burdensome pre‐treatment of the solid sam‐ples to avoid sample contamination and loss ,and also to protect the health of the operating personnel .In this paper ,we use solid direct injection graphite furnace atomic absorption spectrometer combined with the persistent chemical modifier measuring Tl elements in the environment of soil samples .The results show that the detection limit is 0.05ng ,the quantitative determination of the lower limit is 0.167ng ,accuracy ≤0.05 ,precision≤10% ,which can meet the requirements of environmental soil test method .