Word: regia
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Dates: during 1950-1959
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Alone, neither hydrochloric nor nitric acid will dissolve the "noble metals" gold and platinum, but a mixture of the two will. So to this potent corrosive the medieval alchemists gave the name aqua regia-royal water. Last week in Brooklyn, fumes from royal water knocked out scores of factory workers and firemen. left several in hospitals, threatened with severe aftereffects...
...tank room, tried to stop the leak with a new flange. When the air cylinders for their masks were empty and they came up to the street to change them, their faces and necks showed bright red acid burns; 38 were affected, one had to be hospitalized. Because aqua regia attacks pipes and pumps so avidly, it took three days to find resistant equipment to load it into a tank truck for neutralization and disposal in New Jersey...