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_Microft
on Jan 17, 2021
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The first blue pigment discovered in 200 years is ...
What about Barium? Water-soluble barium compounds are toxic while the insoluble barium sulfate is used as radiocontrast agent.
https://en.wikipedia.org/wiki/Barium_sulfate#Radiocontrast_a...
voldacar
on Jan 17, 2021
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Well sulfates in general tend to be highly insoluble in water, and therefore biologically inert, so I think this is still kind of a cherry-picked example
avianlyric
on Jan 17, 2021
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Isn’t cherry-picking kind of the point here?
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https://en.wikipedia.org/wiki/Barium_sulfate#Radiocontrast_a...