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Determination of eight components in iron ores by inductively coupled plasma-atomic emission spectrometry after microwave digestion

HU Shu-ge

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Abstract

By use of microwave digestion to dissolve the sample of iron ore,an inductively coupled plasma-atomic emission spectrometry(ICP-AES) for simultaneous determination of eight kinds of elements in iron ores were developed.The conditions of microwave digestion with closed vessel were tested for the different kinds of iron ore.The spectrum interference of coexisting elements was discussed and the optimal analysis wavelengths were selected.It has been applied to the determination of standard samples of iron ore with the recoveries of 97.0%-102.0% and the RSD of below 3%.The determination results of this method are agreement with the certified values.

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What this paper is about

By use of microwave digestion to dissolve the sample of iron ore,an inductively coupled plasma-atomic emission spectrometry(ICP-AES) for simultaneous determination of eight kinds of elements in iron ores were developed.The conditions of microwave digestion with closed vessel were tested for the different kinds of iron ore.The spectrum interference of coexisting elements was discussed and the optimal analysis wavelengths were selected.It has been applied to the determination of standard samples of iron ore with the recoveries of 97.0%-102.0% and the RSD of below 3%.The determination results of this method are agreement with the certified values.

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Available abstract

By use of microwave digestion to dissolve the sample of iron ore,an inductively coupled plasma-atomic emission spectrometry(ICP-AES) for simultaneous determination of eight kinds of elements in iron ores were developed.The conditions of microwave digestion with closed vessel were tested for the different kinds of iron ore.The spectrum interference of coexisting elements was discussed and the optimal analysis wavelengths were selected.It has been applied to the determination of standard samples of iron ore with the recoveries of 97.0%-102.0% and the RSD of below 3%.The determination results of this method are agreement with the certified values.

Key concepts: Microwave digestion, Inductively coupled plasma, Chemistry, Inductively coupled plasma mass spectrometry, Analytical Chemistry (journal), Iron ore, Inductively coupled plasma atomic emission spectroscopy, Microwave

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