Measurement report: Molecular-level investigation of atmospheric cluster ions at the tropical high-altitude research station Chacaltaya (5240 m a.s.l.) in the Bolivia... by Q. Zha, W. Huang, D. Aliaga, O. Peräkylä, L. Heikkinen, A. M. Koenig, C. Wu, J. Enroth, Y. Gramlich, J. Cai, S. Carbone, A. Hansel, T. Petäjä, M. Kulmala, M. Kulmala, M. Kulmala, D. Worsnop, D. Worsnop, V. Sinclair, R. Krejci, M. Andrade, M. Andrade, C. Mohr, F. Bianchi

“…The negative ions mainly consisted of (H<span class="inline-formula">₂</span>SO<span class="inline-formula">₄</span>)<span class="inline-formula">_0–3<span class="Radical">⚫</span></span>HSO<span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M4" display="inline" overflow="scroll" dspmath="mathml"><mrow><msubsup><mi/><mn mathvariant="normal">4</mn><mo>-</mo></msubsup></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="9pt" height="16pt" class="svg-formula" dspmath="mathimg" md5hash="1b500fe23d5cc239bca0d49063c52557"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="acp-23-4559-2023-ie00001.svg" width="9pt" height="16pt" src="acp-23-4559-2023-ie00001.png"/></svg:svg></span></span>, (HNO<span class="inline-formula">₃</span>)<span class="inline-formula">_0–2<span class="Radical">⚫</span></span>NO<span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M7" display="inline" overflow="scroll" dspmath="mathml"><mrow><msubsup><mi/><mn mathvariant="normal">3</mn><mo>-</mo></msubsup></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="9pt" height="16pt" class="svg-formula" dspmath="mathimg" md5hash="76bbd0535ad9c3e987722e2e722d5d00"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="acp-23-4559-2023-ie00002.svg" width="9pt" height="16pt" src="acp-23-4559-2023-ie00002.png"/></svg:svg></span></span>, SO<span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M8" display="inline" overflow="scroll" dspmath="mathml"><mrow><msubsup><mi/><mn mathvariant="normal">5</mn><mo>-</mo></msubsup></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="9pt" height="16pt" class="svg-formula" dspmath="mathimg" md5hash="d5acb8c5414090393138b2c9216cbe15"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="acp-23-4559-2023-ie00003.svg" width="9pt" height="16pt" src="acp-23-4559-2023-ie00003.png"/></svg:svg></span></span>, (NH<span class="inline-formula">₃</span>)<span class="inline-formula">_1–6<span class="Radical">⚫</span></span>(H<span class="inline-formula">₂</span>SO<span class="inline-formula">₄</span>)<span class="inline-formula">_3–7<span class="Radical">⚫</span></span>HSO<span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M14" display="inline" overflow="scroll" dspmath="mathml"><mrow><msubsup><mi/><mn mathvariant="normal">4</mn><mo>-</mo></msubsup></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="9pt" height="16pt" class="svg-formula" dspmath="mathimg" md5hash="ce9bfed073ac1235ca758fd388570539"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="acp-23-4559-2023-ie00004.svg" width="9pt" height="16pt" src="acp-23-4559-2023-ie00004.png"/></svg:svg></span></span>, malonic-acid-derived, and CHO <span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M15" display="inline" overflow="scroll" dspmath="mathml"><mo>/</mo></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="8pt" height="14pt" class="svg-formula" dspmath="mathimg" md5hash="7572a9d7afeaa92ba0e8bb6f686362bd"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="acp-23-4559-2023-ie00005.svg" width="8pt" height="14pt" src="acp-23-4559-2023-ie00005.png"/></svg:svg></span></span> CHON<span class="inline-formula"><span class="Radical">⚫</span></span>(HSO<span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M17" display="inline" overflow="scroll" dspmath="mathml"><mrow><msubsup><mi/><mn mathvariant="normal">4</mn><mo>-</mo></msubsup></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="9pt" height="16pt" class="svg-formula" dspmath="mathimg" md5hash="9725e18824b1cdf0628403c2cb6d3801"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="acp-23-4559-2023-ie00006.svg" width="9pt" height="16pt" src="acp-23-4559-2023-ie00006.png"/></svg:svg></span></span> <span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M18" display="inline" overflow="scroll" dspmath="mathml"><mo>/</mo></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="8pt" height="14pt" class="svg-formula" dspmath="mathimg" md5hash="62d2c8208bbdf49afb8db19c9f7b6b50"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="acp-23-4559-2023-ie00007.svg" width="8pt" height="14pt" src="acp-23-4559-2023-ie00007.png"/></svg:svg></span></span> NO<span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M19" display="inline" overflow="scroll" dspmath="mathml"><mrow><msubsup><mi/><mn mathvariant="normal">3</mn><mo>-</mo></msubsup></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="9pt" height="16pt" class="svg-formula" dspmath="mathimg" md5hash="01db1dfc152077444e810c7eff7103ec"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="acp-23-4559-2023-ie00008.svg" width="9pt" height="16pt" src="acp-23-4559-2023-ie00008.png"/></svg:svg></span></span>) cluster ions. …”
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Measurement report: Long-range transport and the fate of dimethyl sulfide oxidation products in the free troposphere derived from observations at the high-altitude research station... by W. Scholz, J. Shen, D. Aliaga, C. Wu, C. Wu, S. Carbone, I. Moreno, Q. Zha, W. Huang, L. Heikkinen, L. Heikkinen, J. L. Jaffrezo, G. Uzu, E. Partoll, M. Leiminger, F. Velarde, P. Laj, P. Laj, P. Ginot, P. Artaxo, A. Wiedensohler, M. Kulmala, C. Mohr, M. Andrade, M. Andrade, V. Sinclair, F. Bianchi, A. Hansel

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