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A comment on Nontoxic powder uses sunlight to quickly disinfect contaminated drinking water. Parent comment

Re:Nontoxic powder uses sunlight to quickly disinfect contam... by geraldhh on Saturday May 20, 2023 @04:20AM (#36010247)
idk

"In the Earth's crust, aluminium is the most abundant metallic element (8.23% by mass)"

https://en.wikipedia.org/wiki/Aluminium#Earth

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Re:Nontoxic powder uses sunlight to quickly disinfect contam... by ClumsyPilot on Saturday May 20, 2023 @05:13AM (#36010433)
Alumium oxide only. It does not exist in pure form.
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Re:Nontoxic powder uses sunlight to quickly disinfect contam... by geraldhh on Sunday May 21, 2023 @03:53AM (#36018805)
quote from the article:

"The powder consists of nano-size flakes of aluminum oxide, molybdenum sulfide, copper, and iron oxide."

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