Articles | Volume 13, issue 12
Research article
23 Dec 2020
Research article |  | 23 Dec 2020

SPIN modification for low-temperature experiments

André Welti, Kimmo Korhonen, Pasi Miettinen, Ana A. Piedehierro, Yrjö Viisanen, Annele Virtanen, and Ari Laaksonen


Interactive discussion

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AR: Author's response | RR: Referee report | ED: Editor decision
AR by André Welti on behalf of the Authors (28 Oct 2020)  Author's response    Manuscript
ED: Publish as is (01 Nov 2020) by Pierre Herckes
Short summary
We describe a modification of the SPectrometer for Ice Nuclei (SPIN) chamber to study ice nucleation at low temperatures, relevant for ice formation in cirrus clouds. Validation experiments of homogeneous freezing of aqueous ammonium sulfate droplets and heterogeneous ice nucleation on silver iodide particles are included to demonstrate the advantages of the modified SPIN chamber for the investigation of ice nucleation in the extended temperature range.