News for hackers. Stuff that matters.

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 MobiusHorizons on Saturday May 20, 2023 @12:20PM (#36013206)
> The powder consists of nano-size flakes of aluminum oxide, molybdenum sulfide, copper, and iron oxide

Aluminum oxide is not magnetic, but the iron oxide (presumably bonded to the other ingredients) is magnetic.

[ Parent | on HN ]
Re:Nontoxic powder uses sunlight to quickly disinfect contam... by culi on Saturday May 20, 2023 @04:11PM (#36015123)
The original paper specifies in the abstraction:

> discrete nanoflakes of (Al2O3@v-MoS2)/Cu/Fe3O4

https://www.nature.com/articles/s44221-023-00079-4

[ Parent | on HN ]