However, nitrate naturally tends to reduce to nitrogen gas rather than ammonium, thus presenting a major challenge. To address this problem, the researchers relied on previous findings about FeOOH ...

Two dry solids --- barium hydroxide and ammonium nitrate --- are mixed to produce an endothermic reaction. The temperature of the mixture drops approximately 45oC and is cold enough to freeze the ...

Ammonia, NH 3, is an alkaline gas and so turns damp red litmus paper blue. Ammonium ions (NH 4 +) – found in ammonium compounds such as ammonium chloride, ammonium nitrate and ammonium sulfate ...

Fertiliser prices remain high as natural gas costs fluctuate. Farmers face potential price rises in 2025. Get the latest market insights from AHDB.