wrote in message
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On Sunday, 5 August 2018 22:52:01 UTC+1, lopt wrote:
"newshound" wrote in message
o.uk...
On 05/08/2018 10:19, lopt wrote:

Have you tried conc nitric acid ? That should get it off, but isn't
that easy to get.

what does that do9 to carbon?

Dissolves it.

No, it doesn't. Even fuming nitric doesn't.

Yes it does with boiling conc nitric.

There are limits to what I'll use as a cleaning chemical

Boiling strong fuming acids are a good 2 steps beyond that point.

Did ye nay ken that Wee Jock McSpeed there, has a big mug of th'acid
with his porridge of a morning ? An he sprinkles it o'er his chips
insteed o' the vinegar.

Och aye, the noo !


michael adams

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