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Investigation of the matrix effect in determining microimpurities in boron and its compounds by atomic-emission spectrometry
Authors:R. V. Lebedeva  A. N. Tumanova  N. I. Mashin
Affiliation:(1) Research Institute of Chemistry, N. I. Lobachevsky Nizhny Novgorod State University, 23/5 Gagarin Ave., Nizhny Novgorod, 603950, Russia
Abstract:
We carried out a systematic study of the influence of the main component on the change of analytical signal during atomic-emission analysis of boron compounds. Changes in the intensity of spectral lines of microimpurities as functions of their concentrations in the analytical system based on graphite powder with a variable content of boric acid and boron oxide are presented. __________ Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 74, No. 4, pp. 537–540, July–August, 2007.
Keywords:atomic-emission analysis  arc excitation  photographic registration  boric acid  boron oxide  matrix effect
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