Predicting Real Refractive Index of Organic Aerosols From Elemental Composition Yaowei Li , Bin Bai, John Dykema, Nara Shin, Andrew T. Lambe, Qi Chen, Mikinori Kuwata, Nga Lee Ng, Frank N. Keutsch, and Pengfei Liu Geophysical Research Letters Geophysical Research Letters, Vol. 50, Issue 12 Publication Date: June 28, 2023;