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Direct determination of trace elements in austenitic stainless steel samples by ETV-ICPOES.

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Title: Direct determination of trace elements in austenitic stainless steel samples by ETV-ICPOES.
Authors: Scheffler, Guilherme L.1, Brooks, Adam J.2, Yao, Zhongwen2, Daymond, Mark R.2, Pozebon, Dirce1, Beauchemin, Diane3
Source: JAAS (Journal of Analytical Atomic Spectrometry). Dec2016, Vol. 31 Issue 12, p2434-2440. 7p.
Subjects: Trace elements, Austenitic stainless steel, Vaporization, Inductively coupled plasma atomic emission spectrometry, Fluoroform, Linear dynamical systems
Abstract: Electrothermal vaporization (ETV) coupled to inductively coupled plasma optical emission spectrometry (ICPOES) was applied to the direct analysis of austenitic stainless steel powders using external calibration with increasing amounts of urban particulate matter (NIST 1648a) certified reference material. The method was first validated through the analysis of a reference material of free cutting steel, BCS 152/3, which was also analysed, following digestion in aqua regia, by ICPOES with external calibration using matrix-matched standard solutions. A four-step heating program, where the 30 s vaporization step was not ramped and followed a cooling step after pyrolysis, was used along with hemi-spherical graphite boats and trifluoromethane (CHF3, freon R-23) reaction gas, which resulted in sharp analyte signal peaks. Internal standardization with an argon emission line (415.859 nm) was applied throughout to compensate for sample loading effects on the plasma, improve the signal-to-background ratio and extend the linear dynamic range. Quantification limits ranged from 0.02 (Cd) to 200 (Si) μg g−1 in the solid using 5 mg aliquots, and are one or two orders of magnitude lower than those obtained by ICPOES with nebulization for several elements. The proposed method allowed determination of Al, Cd, Ce, Co, Cu, Mn, Pb, S, Si, Ti, V and Zn at levels in the 10 μg g−1 to 0.4% (m m−1) range, in agreement with results obtained by ICPOES following digestion. The method is suitable for alloy quality control, as it drastically reduces analysis time and cost by eliminating the acid digestion step altogether, which is quite attractive for industrial applications. [ABSTRACT FROM AUTHOR]
Copyright of JAAS (Journal of Analytical Atomic Spectrometry) is the property of Royal Society of Chemistry and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
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  Label: Title
  Group: Ti
  Data: Direct determination of trace elements in austenitic stainless steel samples by ETV-ICPOES.
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  Data: <searchLink fieldCode="AR" term="%22Scheffler%2C+Guilherme+L%2E%22">Scheffler, Guilherme L.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Brooks%2C+Adam+J%2E%22">Brooks, Adam J.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Yao%2C+Zhongwen%22">Yao, Zhongwen</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Daymond%2C+Mark+R%2E%22">Daymond, Mark R.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Pozebon%2C+Dirce%22">Pozebon, Dirce</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Beauchemin%2C+Diane%22">Beauchemin, Diane</searchLink><relatesTo>3</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22JAAS+%28Journal+of+Analytical+Atomic+Spectrometry%29%22">JAAS (Journal of Analytical Atomic Spectrometry)</searchLink>. Dec2016, Vol. 31 Issue 12, p2434-2440. 7p.
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  Data: <searchLink fieldCode="DE" term="%22Trace+elements%22">Trace elements</searchLink><br /><searchLink fieldCode="DE" term="%22Austenitic+stainless+steel%22">Austenitic stainless steel</searchLink><br /><searchLink fieldCode="DE" term="%22Vaporization%22">Vaporization</searchLink><br /><searchLink fieldCode="DE" term="%22Inductively+coupled+plasma+atomic+emission+spectrometry%22">Inductively coupled plasma atomic emission spectrometry</searchLink><br /><searchLink fieldCode="DE" term="%22Fluoroform%22">Fluoroform</searchLink><br /><searchLink fieldCode="DE" term="%22Linear+dynamical+systems%22">Linear dynamical systems</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Electrothermal vaporization (ETV) coupled to inductively coupled plasma optical emission spectrometry (ICPOES) was applied to the direct analysis of austenitic stainless steel powders using external calibration with increasing amounts of urban particulate matter (NIST 1648a) certified reference material. The method was first validated through the analysis of a reference material of free cutting steel, BCS 152/3, which was also analysed, following digestion in aqua regia, by ICPOES with external calibration using matrix-matched standard solutions. A four-step heating program, where the 30 s vaporization step was not ramped and followed a cooling step after pyrolysis, was used along with hemi-spherical graphite boats and trifluoromethane (CHF3, freon R-23) reaction gas, which resulted in sharp analyte signal peaks. Internal standardization with an argon emission line (415.859 nm) was applied throughout to compensate for sample loading effects on the plasma, improve the signal-to-background ratio and extend the linear dynamic range. Quantification limits ranged from 0.02 (Cd) to 200 (Si) μg g−1 in the solid using 5 mg aliquots, and are one or two orders of magnitude lower than those obtained by ICPOES with nebulization for several elements. The proposed method allowed determination of Al, Cd, Ce, Co, Cu, Mn, Pb, S, Si, Ti, V and Zn at levels in the 10 μg g−1 to 0.4% (m m−1) range, in agreement with results obtained by ICPOES following digestion. The method is suitable for alloy quality control, as it drastically reduces analysis time and cost by eliminating the acid digestion step altogether, which is quite attractive for industrial applications. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of JAAS (Journal of Analytical Atomic Spectrometry) is the property of Royal Society of Chemistry and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1039/c6ja00369a
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      – Code: eng
        Text: English
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        PageCount: 7
        StartPage: 2434
    Subjects:
      – SubjectFull: Trace elements
        Type: general
      – SubjectFull: Austenitic stainless steel
        Type: general
      – SubjectFull: Vaporization
        Type: general
      – SubjectFull: Inductively coupled plasma atomic emission spectrometry
        Type: general
      – SubjectFull: Fluoroform
        Type: general
      – SubjectFull: Linear dynamical systems
        Type: general
    Titles:
      – TitleFull: Direct determination of trace elements in austenitic stainless steel samples by ETV-ICPOES.
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            NameFull: Scheffler, Guilherme L.
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            NameFull: Brooks, Adam J.
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            – D: 01
              M: 12
              Text: Dec2016
              Type: published
              Y: 2016
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