Use of the Single Particle Soot Photometer (SP2) as a pre-filter for ice nucleation measurements: effect of particle mixing state and determination of SP2 conditions to fully vaporize refractory black carbon

Schill, Gregory P.; DeMott, Paul J.; Levin, Ezra J. T.; Kreidenweis, Sonia M.

doi:https://doi.org/10.5194/amt-11-3007-2018

Articles | Volume 11, issue 5

https://doi.org/10.5194/amt-11-3007-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/amt-11-3007-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 11, issue 5

Research article

|

22 May 2018

Research article |

| 22 May 2018

Use of the Single Particle Soot Photometer (SP2) as a pre-filter for ice nucleation measurements: effect of particle mixing state and determination of SP2 conditions to fully vaporize refractory black carbon

Gregory P. Schill, Paul J. DeMott, Ezra J. T. Levin, and Sonia M. Kreidenweis

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Final revised paper (published on 22 May 2018)
Supplement to the final revised paper
Preprint (discussion started on 23 Nov 2017)
Supplement to the preprint

Interactive discussion

Status: closed

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

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RC1: 'Reviewer comments', Anonymous Referee #1, 09 Jan 2018
- AC1: 'Response to Anonymous Referee #1', Gregory Schill, 05 Apr 2018
RC2: 'review of Schill et al', Anonymous Referee #2, 08 Mar 2018
- AC2: 'Response to Anonymous Referee #2', Gregory Schill, 05 Apr 2018

Peer-review completion

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

AR by Gregory Schill on behalf of the Authors (05 Apr 2018) Author's response Manuscript

ED: Publish as is (07 Apr 2018) by Paolo Laj

AR by Gregory Schill on behalf of the Authors (13 Apr 2018)

Short summary

Few techniques can measure the contribution of refractory black carbon (rBC) to ice-nucleating particle (INP) concentrations. One technique uses the single particle soot photometer (SP2) as a pre-filter to an online INP counter to selectively remove rBC particles from an aerosol stream. In this work, we expand upon this technique by determining the effect of the SP2 laser on INP proxies mixed with rBC. We also bounded the SP2 conditions under which rBC is fully vaporized in the SP2 exhaust.