Correction of Loss on Ignition in Slag Powder by ICP-AES

Abstract:

In this work, with reference to the pretreatment method of the relevant national standard, we tested the content of SO₃ in slag powder before and after burning by ICP-AES, then the result of burning loss was corrected by the content of SO₃. The content of SO₃ which was determined by this new method is fast and accurate, compared with the traditional method. We selected the wavelength of 182.0nm as spectral analysis of SO₃. The detection limit of the method (3S) was 0.016 mg/L, the recovery rate of the sample was between 97%-104%, and the relative standard deviation (n=6) of the parallel samples was less than 1.05%.

• Periodical: Key Engineering Materials (Volume 726)
• Pages: 60-64
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.726.60
• Online since: January 2017
• Authors: Man Li*, Qian Nan Li, Ming Yu Wang, Dan Hua Xu, Qing Dan Yuan
• Keywords: ICP-AES, Loss on Ignition in Slag Powder, SO₃

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