[Jewelry making - Article 00285] - Re: [Orchid] Palladium white gold allergy

[James Binnion]

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>     I have yet to hear of a documented case of a reaction to Pt. 

    My memory is not always what I would like it to be. Theresa is right
    Platinum is not noted as an allergen but virtually all the other
    elements found in gold and palladium alloys are to some degree or
    another a potential allergen. The paper Theresa referred to lists a
    study where 920 people who showed a dermatitis reaction were tested
    for metal allergic reactions and in descending order the culprits
    were nickel (28.9% of cases) as the worst offender, cobalt (15.8%),
    palladium (8.3%), gold (2.8%), copper (1.8%), silver (0.7%), and even
    titanium (0.2%). The only metals tested that did not cause reactions
    in this group of dermatitis sufferers were platinum, tin and zinc.

Jim

James Binnion
jbin AT mokume-gane.com
James Binnion Metal Arts
http://www.mokume-gane.com
360-756-6550
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