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Zinc plate and passivate? Restoration.
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24th Apr 2019, 7:01 pm
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Uncle Bulgaria
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Join Date: May 2016
Location: Cornwall, UK.
Posts: 2,339
Re: Zinc plate and passivate? Restoration.
My mother had great difficulty getting citric acid a few years ago for some preserves. The shopkeeper said that apparently there was some control of it because of its propensity to get cut with cocaine!
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