1: hydrogen / Ni-Al-Ti alloy / dioxane / 1.17 h / 165 °C / 45003.6 Torr 2: aq. 56percent HNO3, ammonium metavanadate / 1 h / 95 - 100 °C View Scheme

NH4VO3; nitric acid T=95 - 100°C; 1 h; Further byproducts given. Yields of byproduct given;