CAJ | 학술논문

本文运用微波消解，对原子荧光法联测海洋生物中砷和汞的方法进行改进，对仪器条件、微波消解体系、还原剂硼氢化钾浓度等条件进行优化，消除亚硝酸根（NO2）对测定的干扰。本方法经研究改进后，砷和汞的检测限分别为0．02mg／Kg和0．002mg／Kg；相对标准偏差分别为2．83％和2．05％；通过分析验证，改进后的方法简单、灵敏、结果可靠，可用于海洋生物中砷和汞联测。
본문운용미파소해，대원자형광법련측해양생물중신화홍적방법진행개진，대의기조건、미파소해체계、환원제붕경화갑농도등조건진행우화，소제아초산근（NO2）대측정적간우。본방법경연구개진후，신화홍적검측한분별위0．02mg／Kg화0．002mg／Kg；상대표준편차분별위2．83％화2．05％；통과분석험증，개진후적방법간단、령민、결과가고，가용우해양생물중신화홍련측。
The method was improved for the simultaneous determination of arsenic and mercury in marine organism with micro- wave digestion by atomic fluorescence spectrometry. The influence of instrument parameters, digestive system, KBH＋ concentra- tion were optimized. The influence of NO2- was avoided. The developed method showed limits of detection were 0.02mg/Kg for arsenic, 0. 002 mg/Kg for mercury and relative deviatiaons were 2. 83% for arsenic, 2. 05% for mercury. The improved method, which is simple, sensitive and reliable, has good suitability for the simultaneous determination of arsenic and mercury in marine organism.