Or make a solution with citric acid crystals and water and try various conc=
entrations.

Rust removers typically use phosphoric acid which might be useful too.



On January 11, 2019 3:44:10 PM EST, AB Pearce - UKRI STFC <alan.b.pearce@st=
fc.ac.uk> wrote:
>Well, if acid is what is needed I would try dipping the wire end in
>some vinegar then washing it off well.
>

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