The first step is the oxidation of ammonia to nitrite, which is carried out by microbes known as ammonia-oxidizers. Aerobic ammonia oxidizers convert ammonia to nitrite via the intermediate ...

Foods which contain edible oils will spoil once exposed to oxygen from the air due to oxidation reactions. This chemical change results in a bad flavour and smell from the food. If left exposed to ...

Fertilizers common to crop production in Indiana usually contain nitrogen in one or more of the following forms: nitrate, ammonia, ammonium or urea. Each form has specific properties that determine ...

Engineers want to see if they can make it run on liquid ammonia. Ammonia has long been a key component in fertiliser, cleaning products and refrigerators. But in the search for new cleaner fuels ...

Using ammonia is regarded as a promising method of transporting hydrogen. However, an efficient process is also needed to convert it back into hydrogen and nitrogen. A team from the German Ruhr ...

Ammonia may conjure thoughts of off odors, but the world is entirely dependent on the smelly stuff as a fertilizer and for use in myriad other industries. Problem is, nearly all the ammonia ...

The cause of the climactic transition has been unclear. Now a research team from China finds evidence that atmospheric oxidation led to Mars being cold and bipolar in its early history.

It was so rich in ammonia, the key ingredient, that a mere whiff could induce coughing and sneezing. Not exactly a pleasant cargo to ferry across the world. As demand for fertiliser rose in the ...

KINGSTON, N.Y. (AP) — On a tributary of the Hudson River, a tugboat powered by ammonia eased away from the shipyard dock and ...

Most people think of ammonia as a household cleaner. To big oil companies, climate investors and the U.S. government, it is a ...