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The U.S. Environmental Protection Agency (EPA) prohibits disposing of certain materials down drains. [4] Therefore, when hazardous chemical waste is generated in a laboratory setting, it is usually stored on-site in appropriate waste containers, such as triple-rinsed chemical storage containers [5] or carboys, where it is later collected and disposed of in order to meet safety, health, and ...
Throughout much of the 20th century, amateur chemistry was an unexceptional hobby, with high-quality chemistry sets readily available, and laboratory suppliers freely selling to hobbyists. For example, Linus Pauling had no difficulty in procuring potassium cyanide at the age of eleven. [ 2 ]
Potassium chloride is used in some de-icing products designed to be safer for pets and plants, though these are inferior in melting quality to calcium chloride. It is also used in various brands of bottled water. [citation needed] Potassium chloride was once used as a fire extinguishing agent, and in portable and wheeled fire extinguishers.
Potassium hypochlorite was first produced in 1789 by Claude Louis Berthollet in his laboratory located in Javel in Paris, France, by passing chlorine gas through a solution of potash lye. The resulting liquid, known as " Eau de Javel " ("Javel water"), was a weak solution of potassium hypochlorite.
A Canadian woman was arrested after trying to smuggle over 20 pounds of methamphetamine through a New Zealand airport, authorities said. The illicit drugs were disguised as Christmas presents, New ...
In the reaction with Iron(III) chloride, producing Potassium chloride as a side-product: 3 K 4 [Fe(CN) 6] + 4 FeCl 3 → Fe 4 [Fe(CN) 6] 3 + 12 KCl With the composition Fe III 4 [Fe II 6] 3, this insoluble but deeply coloured material is the blue of blueprinting, as well as on many famous paintings such as The Great Wave off Kanagawa and The ...
Morgan Ortagus, a Donald Trump critic turned supporter, will serve as his deputy special envoy for Middle East peace.
A former TD Bank employee based in Florida was arrested and charged with facilitating money laundering to Colombia, New Jersey's attorney general said on Wednesday, in the first such arrest since ...