顺序注射氢化物发生-原子荧光光谱法测定食品消毒洗涤剂中砷、汞、锡的研究
Journal of Analytical Science(2011)
Abstract
建立了食品消毒洗涤剂中砷、汞、锡的原子荧光分析方法。系统考察了KBH4浓度和酸介质浓度等对砷、汞、锡的原子荧光强度的影响,并优化了实验条件。在最佳的实验条件下,砷、汞、锡分别在0.5~200.0μg/L、1.0~60.0μg/L、1.0~200.0μg/L浓度范围内线性良好,线性相关系数分别为0.9991、0.9987、0.9996,检出限分别为0.08μg/L、0.3μg/L、0.3μg/L。该法可同时测定食品消毒洗涤剂中的三种重金属元素残留量。
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Key words
Atomic fluorescence spectrometry,Sequential injection,Arsenic,Food disinfectant detergent,Mercury,Hydride generation,Stannum
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