[Jewelry making - Article 01191] - Re: [Orchid] [Source] Phosphoric acid

[frank thomson]

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    Phosphoric Acid is the basis of many industrial cleaners used around
    factories and workshops. That tingle in your cool drink is probably
    also a drop of Phosphoric acid it is used in the food industry I put
    a small pair of long nosed pliers in some phosphoric and within an
    hour there was no more rust and it has never been oiled again and
    never rusted again it is phosphated. will most probably start
    rusting on the hinges as the coating wears away.
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