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In that moment, Windey ammonium thioglycolate-ed her path to victory, and in the end, she and three fellow “faithfuls” won the game in this week’s finale.

Distillers threw rotten fruit and molasses waste in the gallon to brew with ammonium chloride to produce something called “snake juice,” which was collected by lepers and taken around the city.

The remaining ammonium nitrate was then transferred to another ship - called the Zimrida - which reached Ivory Coast eight days ago.

"But ammonium tends to break down under thermal stress. We did some chemistry to convert the unstable ammonium into a more stable amidinium."

Forest Service and other agencies each year drop tens of millions of gallons of fire retardant, mostly an ammonium phosphate-based slurry called Phos-Chek, around wildfires to coat vegetation and slow the spread of flames.