Structural changes of CAST soot during a thermal–optical measurement protocol

Haller, Theresa; Rentenberger, Christian; Meyer, Jannik C.; Felgitsch, Laura; Grothe, Hinrich; Hitzenberger, Regina

doi:https://doi.org/10.5194/amt-12-3503-2019

Articles | Volume 12, issue 7

https://doi.org/10.5194/amt-12-3503-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/amt-12-3503-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 12, issue 7

Research article

|

02 Jul 2019

Research article |

| 02 Jul 2019

Structural changes of CAST soot during a thermal–optical measurement protocol

Theresa Haller, Christian Rentenberger, Jannik C. Meyer, Laura Felgitsch, Hinrich Grothe, and Regina Hitzenberger

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Final revised paper (published on 02 Jul 2019)
Preprint (discussion started on 11 Feb 2019)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

RC1: 'Reviewer # 1', Darrel Baumgardner, 07 Mar 2019
- AC1: 'Response to Reviewer #1', Theresa Haller, 07 May 2019
RC2: 'Review of paper “Structural changes of CAST soot during a thermal-optical measurement protocol” by T. Haller et al.', Anonymous Referee #2, 12 Mar 2019
- AC2: 'Response to Reviewer #2', Theresa Haller, 07 May 2019

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Theresa Haller on behalf of the Authors (07 May 2019)

ED: Publish as is (09 May 2019) by Pierre Herckes

AR by Theresa Haller on behalf of the Authors (24 May 2019) Manuscript

Short summary

In thermal–optical measurement techniques – widely used techniques to separate organic and elemental carbon – a filter sample is heated stepwise first in He and then in He+O₂. Pyrolysis of organic material occurring during heating in He influences the results but is not fully understood. In this study, structural changes of carbonaceous material during a thermal–optical heating procedure are analyzed with Raman spectroscopy, TEM, UV–VIS and the integrating-sphere method.