this post was submitted on 06 Sep 2024
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Science

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[–] [email protected] 1 points 2 months ago (1 children)

What can be used to detect impurities at those level? Maybe there is an additional machine needed that can also be built in a garage.

[–] [email protected] 2 points 2 months ago

The industry standard is HPLC (high performance liquid chromatography). Those things go for tens of thousands of dollars up front, plus maintenance and consumables.

If there was a less costly way of doing it, you bet companies would have settled on that by now.