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Optimum quantification temperature for total, organic, and elemental carbon using thermal-coulombimetric analysis.

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Title: Optimum quantification temperature for total, organic, and elemental carbon using thermal-coulombimetric analysis.
Authors: Alvarez-Ospina, Harry1,2 harry02co@gmail.com, Peralta, Oscar2, Castro, Telma2, Saavedra, María I.2
Source: Atmospheric Environment. Nov2016, Vol. 145, p74-80. 7p.
Subject Terms: Cold (Temperature), Thermistors, Electric resistors, Thermal stresses, Thermal expansion
Abstract: The quantification of total (TC), organic (OC), elemental carbon (EC), and OC/TC, EC/TC ratios is useful to determine the original sources of carbonaceous particles, so the importance of using appropriate standards is often crucial in atmospheric sciences, and the National Institute of Standards and Technology (NIST) offers good analytes. The Standard Reference Material (SRM) Urban Particulate Matter has a similar matrix as in the airborne aerosols of urban atmospheres and a well-known composition. The optimum quantification temperature analysis for carbon content of SRM 1648a and 1649b using a coulometric method (CM5300 and CM5014) is 500 °C for OC and 700 °C for TC. We also evaluated the repeatability and reproducibility provided by the instrument. It should be pointed out that SRM 1649b has no OC or TC quantification in its Certificate of Analysis, so this study may serve as a basis for future analysis of carbon content of atmospheric aerosols. [ABSTRACT FROM AUTHOR]
Copyright of Atmospheric Environment is the property of Pergamon Press - An Imprint of Elsevier Science 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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  Data: Optimum quantification temperature for total, organic, and elemental carbon using thermal-coulombimetric analysis.
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  Data: <searchLink fieldCode="AR" term="%22Alvarez-Ospina%2C+Harry%22">Alvarez-Ospina, Harry</searchLink><relatesTo>1,2</relatesTo><i> harry02co@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Peralta%2C+Oscar%22">Peralta, Oscar</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Castro%2C+Telma%22">Castro, Telma</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Saavedra%2C+María+I%2E%22">Saavedra, María I.</searchLink><relatesTo>2</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Atmospheric+Environment%22">Atmospheric Environment</searchLink>. Nov2016, Vol. 145, p74-80. 7p.
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  Data: <searchLink fieldCode="DE" term="%22Cold+%28Temperature%29%22">Cold (Temperature)</searchLink><br /><searchLink fieldCode="DE" term="%22Thermistors%22">Thermistors</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+resistors%22">Electric resistors</searchLink><br /><searchLink fieldCode="DE" term="%22Thermal+stresses%22">Thermal stresses</searchLink><br /><searchLink fieldCode="DE" term="%22Thermal+expansion%22">Thermal expansion</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The quantification of total (TC), organic (OC), elemental carbon (EC), and OC/TC, EC/TC ratios is useful to determine the original sources of carbonaceous particles, so the importance of using appropriate standards is often crucial in atmospheric sciences, and the National Institute of Standards and Technology (NIST) offers good analytes. The Standard Reference Material (SRM) Urban Particulate Matter has a similar matrix as in the airborne aerosols of urban atmospheres and a well-known composition. The optimum quantification temperature analysis for carbon content of SRM 1648a and 1649b using a coulometric method (CM5300 and CM5014) is 500 °C for OC and 700 °C for TC. We also evaluated the repeatability and reproducibility provided by the instrument. It should be pointed out that SRM 1649b has no OC or TC quantification in its Certificate of Analysis, so this study may serve as a basis for future analysis of carbon content of atmospheric aerosols. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Atmospheric Environment is the property of Pergamon Press - An Imprint of Elsevier Science 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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        Value: 10.1016/j.atmosenv.2016.08.080
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      – Code: eng
        Text: English
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        Type: general
      – SubjectFull: Thermistors
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      – SubjectFull: Electric resistors
        Type: general
      – SubjectFull: Thermal stresses
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      – SubjectFull: Thermal expansion
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              Text: Nov2016
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