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Kids, don't try this at home: Penn State University scientists have created thin layers of diamond by the unlikely technique of cooking carbon-rich plastic, mixed with potassium and sodium and blasted with a beam of ultrasound, at low temperature in a regular home oven. The result is a low- grade but authentic form of diamond. If the quality can be improved, plastic-derived diamond could provide a cheap, strong coating for everything from airplane windows to drilling tools...

Author: /time Magazine | Title: News Digest May 30-June 5 | 6/14/1993 | See Source »

...crannies of what is left of the auto's trunk lid. Nitrate, traces of which were found in the Trade Center crater, is the most basic component of most explosive mixtures. The next step is to find traces of chemicals that may be unique to a certain compound, like potassium or ammonium, which would identify the explosive far more precisely...

Author: /time Magazine | Title: Tower Terror | 3/8/1993 | See Source »

However, he said, the department will soonbegin adding potassium permanganate, which willcombine with the iron and manganese to form asubstance that can be easily removed...

Author: By Amanda C. Rawls, CRIMSON STAFF WRITERS | Title: City Dumps Sludge Into Reservoir | 10/17/1992 | See Source »

...Water Department will be using the compound potassium permanganate to treat the water supply, DiVasta said...

Author: By Elizabeth J. Riemer, CONTRIBUTING REPORTER | Title: Cambridge Water Supply Discolored by Manganese | 10/14/1992 | See Source »

...Potassium permanganate] will oxidize the manganese and the iron to precipitate out," DiVasta said. "Right now it's dissolved in the water, and you can't remove it, so it's just going through the system...

Author: By Elizabeth J. Riemer, CONTRIBUTING REPORTER | Title: Cambridge Water Supply Discolored by Manganese | 10/14/1992 | See Source »

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