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首页> 外文期刊>Quimica nova >Evaluation of ICP OES with axial or radial views for determination of iodine in table salt [Avalia??o de ICP OES com configura??o axial ou radial para determina??o de iodo em sal de cozinha]
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Evaluation of ICP OES with axial or radial views for determination of iodine in table salt [Avalia??o de ICP OES com configura??o axial ou radial para determina??o de iodo em sal de cozinha]

机译:用轴向或径向视图评估ICP OES以测定食盐中的碘[通过轴向或径向配置ICP OES评估以测定食盐中的碘]

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摘要

The performance of inductively-coupled plasma optical emission spectrometers with axial and radial views for determination of iodine in table salt was evaluated. Interference and memory effects in nitric acid and water-soluble tertiary amines (CFA-C) media were studied. Based on a factorial experiment, one optimum instrument operational condition for axial configuration, and two optima conditions for radial configuration was established. The ICP OES with axial view was 5-fold more sensitive than the radial view. Both matrix matching and standard addition methods were used for iodine quantification and for most samples, both strategies of calibration led to similar results. Recoveries ranged from 104 to 114%.
机译:评估了具有轴向和径向视图的电感耦合等离子体发射光谱仪用于测定食盐中碘的性能。研究了硝酸和水溶性叔胺(CFA-C)介质中的干扰和记忆效应。基于析因实验,建立了一种针对轴向配置的最佳仪器操作条件,以及两种针对径向配置的最佳条件。具有轴向视图的ICP OES的灵敏度比径向视图高5倍。基质匹配和标准添加方法都用于碘的定量分析,对于大多数样品,两种校准策略均得出相似的结果。回收率从104%到114%。

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