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kees99
on April 30, 2020
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Revengineered ancient PDP-11 CPUs, originals and c...
Oleum. Fuming sulfuric acid.
https://en.wikipedia.org/wiki/Oleum
wolfgang42
on May 1, 2020
[–]
And apparently the percentage is strength relative to (
non-
fuming?) sulfuric acid (i.e. neat sulfuric acid without sulfur trioxide added) which is why it’s over 100%.
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https://en.wikipedia.org/wiki/Oleum