Robert Berger wrote:

> Marshall, I violently object to the phrase, "all medical literature
> indicates that argyria is caused by ionic silver." I have seen that
> phrase used too many time to obfuscate the facts.
>
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> Why do you object to the facts?  Can you name any other form of silver
> besides a salt or compound that can cause argyria and the process by
> which it could do so?  I have given the process by which silver salts
> and compounds cause argyria many times here.  There is no known way
> that metallic silver (colloid or not) or silver that does not dissolve
> in water can cause argyria.  It is known that breathing in silver dust
> can cause argyria, but if you follow the mechanism you will find that
> the body produces H2O2 in the lungs which oxidizes the silver to
> silver oxide, which then converts to a combination of silver oxide and
> silver hydroxide when absorbed in the blood (same as the ionic portion
> of properly made EIS), which then can deposit in the skin.
>   I probably read as much medical literature as you do and have never
> seen a statement like that !!
>
> Well any factual source should do, but here are a few.  Remember that
> all salts of silver and all compounds that dissolve are ionic when
> dissolved, whether you call them polar compounds, salts or ionic
> silver is irrelevent:
>
> http://www.emedicine.com/derm/topic595.htm
> Argyria results from prolonged contact with or ingestion of silver
> salts.
>
> http://www.rotten.com/library/medicine/quackery/argyria/
> After ingestion, silver salts are deposited in the skin and oxidized
> by sunlight, via the same process that develops photographs.
>
> http://dermatology.cdlib.org/111/case_reports/argyria/wadhera.html
> The pigment that is deposited is usually silver sulfide, formed by the
> conversion of silver salts in the presence of light and
> sulfur-containing organic matrix (in the form of amino acids)
>
> http://www.medterms.com/script/main/art.asp?articlekey=9438
> Silver poisoning resulting in ashen gray discolored skin (and other
> tissues of the body). Due to long-term use of silver salts.
>
> http://ptcl.chem.ox.ac.uk/MSDS/glossary/argyria.html
>   Argyria or Argyrism  is an irreversible blueish-black discolouration
> of the skin, mucous membranes or internal organs caused by ingestion
> of, or contact with, various silver compounds.
>
> www.atsdr.cdc.gov/toxprofiles/tp146-c1.pdf
> Argyria. occurs in people who eat or breathe in silver compounds over
> a long
>
> www.silvergen.com/argyria1.htm
> Argyria were cited to have been caused by silver compounds (not
> colloidal silver, but silver mixed with other metals)
>
> www.happyherbalist.com/fda_report.htm
> The reported cases of Argyria usually involved very high and frequent
> doses over extended periods of time of silver salts/compounds
>
> jcp.bmjjournals.com/cgi/content/abstract/47/6/556
> Systemic argyria caused by chronic ingestion of silver compounds
>
> www.island.net/~zapper/Colloidal%20Silver.html
> Silver particles cannot cause argyria, only ionic compounds can
>
> There are hundreds more, that is only the first two pages of
> literature found by google.
>
> Marshall
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>   Please do the list the honor of listing your sources. !!!!! "Ole
> Bob" :-(  :-(
>