Quantitative chemical analysis of pickling solutions by x-ray fluorescence spectrometry

Sung Mo Jung, Young Mo Cho, Han Gil Na, Dong Joon Min

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

A quantitative analytical method of chlorine and iron in hydrochloric pickling solutions by x-ray spectrometry in atmospheric He mode is proposed. This work is concerned with the replacement of the wet chemical analyses of pickling solutions with rapid and reproducible quantification by an x-ray fluorescence spectrometer. An in-depth investigation was performed to identify the species present in real pickling solutions. X-ray diffraction patterns and semiquantitative results for the pickling solutions provided synthetic standards based on the compositional range of solutions by analyzing the pickling solutions obtained in real processes. Twenty-seven liquid calibration standards were prepared by diluting standard solutions certified by wet chemical analyses for the x-ray fluorescence spectrometry (XRF) calibration curves for Cl and Fe. The suggested method showed satisfactory precision and accuracy in the analysis of pickling solutions. It is possible to estimate the acidities of pickling acid solutions on the basis of the correlation between the HCl concentrations calculated from a simple XRF measurement of total Cl and Fe concentrations and those measured by acid-base titration methods.

Original languageEnglish
Pages (from-to)185-190
Number of pages6
JournalX-Ray Spectrometry
Volume36
Issue number3
DOIs
Publication statusPublished - 2007 May 1

Fingerprint

Pickling
Spectrometry
Fluorescence
X rays
Chemical analysis
Calibration
Acids
Chlorine
Titration
Acidity
Diffraction patterns
Spectrometers
Iron
X ray diffraction

All Science Journal Classification (ASJC) codes

  • Spectroscopy

Cite this

Jung, Sung Mo ; Cho, Young Mo ; Na, Han Gil ; Min, Dong Joon. / Quantitative chemical analysis of pickling solutions by x-ray fluorescence spectrometry. In: X-Ray Spectrometry. 2007 ; Vol. 36, No. 3. pp. 185-190.
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Quantitative chemical analysis of pickling solutions by x-ray fluorescence spectrometry. / Jung, Sung Mo; Cho, Young Mo; Na, Han Gil; Min, Dong Joon.

In: X-Ray Spectrometry, Vol. 36, No. 3, 01.05.2007, p. 185-190.

Research output: Contribution to journalArticle

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