Photochemical Formation of Nitrite and Nitrous Acid (HONO) upon Irradiation of Nitrophenols in Aqueous Solution and in Viscous Secondary Organic Aerosol Proxy. - Barsotti, Francesco; Bartels-Rausch, Thorsten; De Laurentiis, Elisa; Ammann, Markus; Brigante, Marcello; Mailhot, Gilles; Maurino, Valter; Minero, Claudio; Vione, Davide (Environmental Science & Technology, 2017)