Refining precious metals is not as simple as polishing rocks that have been dug out of the ground. Often, complex chemical processes are needed to process the materials properly or in high quantities, ...

The Pima County Board of Supervisors met on Tuesday with an agenda item to go over the final report of the spill. RELATED: Nitric acid spill follow-up: Tucson City Council addresses emergency response ...

TUCSON, Ariz. (KGUN) — After a little more than a day of closures along I-10 and cleanup of a hazardous nitric acid spill, traffic is again flowing and the shelter-in-place order for people nearby has ...

TUCSON, Ariz. (KGUN) — A crash in south Tucson promoted evacuations and shelter-in-place orders for hours after a nitric acid spill Tuesday evening, according to the Pima Country Department of ...

A shelter-in-place order was reinstated Wednesday morning on a main highway in Tucson, Arizona, after a tractor truck carrying liquid nitric acid rolled over in a deadly crash on Tuesday, causing a ...

LONDON--(BUSINESS WIRE)--According to the latest market study released by Technavio, the global nitric acid market is projected to grow to 6,899.7 kilotons by 2021, at a CAGR of close to 3% over the ...

Thousands of gallons of nitric acid spilled in Buckeye Thursday afternoon at Thatcher Company near Rainbow Road between Southern Avenue and Broadway Road. The National Library of Medicine describes ...

Arizona authorities announced Wednesday morning that a Tuesday afternoon shelter-in-place order following a deadly rollover that resulted in a hazmat spill has been reinstated. "The shelter-in-place ...

The vigorous reaction between copper metal and nitric oxide famously propelled chemist Ira Remsen into an esteemed career in research and education that spanned the turn of the 20th century. In a ...