urenthesage - 28-6-2022 at 12:29
Can anyone suggest an acid I could use to clean lumps of lanthanum metal without dissolving it away?
Herr Haber - 29-6-2022 at 01:47
Let me guess, you ordered some from China and it arrived in saran wrap with the best part of it as oxide ?
urenthesage - 29-6-2022 at 11:15
It was shipped in Canada, and its just a tarnish layer, its silvery underneath.