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. 2022 Aug 12;414(25):7483–7493. doi: 10.1007/s00216-022-04263-5

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© The Author(s) 2022

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 1 — Linear models comparing standard CCS_{N2, ref} values of CCS Major Mix with ^DTCCS_N2 of the same ions determined experimentally with DTIM-MS a in ESI⁺ and b ESI⁻ mode. Bias between CCS_N2,ref and new experimental ^DTCCS_N2 values with respect to ^DTCCS’ for c ESI⁺ and d ESI⁻ modes