AMMAR A. DAWOOD; EMAAD M. AWSAJ; ALAA S. ATEAA. The preparation of " salicylic acid azo 2,2,4,4 tetrahydroxybenzophenon" dye using Dowex in the acidic form as a catalyst. Tikrit Journal of Pure Science, [S. l.], v. 22, n. 7, p. 103–108, 2023. DOI: 10.25130/tjps.v22i7.839. Disponível em: https://tjps.tu.edu.iq/index.php/tjps/article/view/839. Acesso em: 3 jul. 2024.