A train carrying toxic perchloric acid has exploded in a Nebraska rail yard, prompting evacuation orders to be issued, as huge plumes are seen engulfing the city. The incident happened on Union ...

For years U.S. chemical journals have discussed the violent and unpredictable explosive qualities of perchloric acid.* But 42-year-old Robert O’Connor did not read chemical journals. As secretary and ...

IN the study of the radiation chemistry of metal ions in solution, it may seem desirable to use perchloric acid solutions because it is generally assumed that perchlorate ions show relatively little ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

PERCHLORIC acid is often determined as potassium chloride by repeated ignition of potassium perchlorate, mixed with excess ammonium chloride and in presence of platinum as catalyst. It is currently ...