Towards the reduction of matrix effects in inductively coupled plasma optical emission spectrometry: an argon-nitrogen-hydrogen mixed-gas plasma for the analysis of geological and environmental samplesElectronic supplementary information (ESI) available. See DOI: 10.1039/c7ja00112f
An argon-nitrogen-hydrogen mixed-gas plasma was optimized towards the minimization of matrix effects in inductively coupled plasma optical emission spectrometry. Analyte sensitivity was enhanced by a factor of 1 to 4 ( n = 26 elements) upon adding 3.7% v/v N 2 to the plasma gas and 1.1% v/v H 2 as a...
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