The Effect of Melting Temperature Aluminum Metal Casting Using Mixed Degasser Based Sodium Fluoride and Sodium NitrateDonanta Dhaneswara, Jaka Fajar Fatriansyah, Raffi Ramadhan and Ahmad AshariMATEC Web Conf., 269 (2019) 07001DOI: https://doi.org/10.1051/matecconf/201926907001