[meteorite-list] Rusting S-As/Protecting irons

From: Howard Wu <freewu2000_at_meteoritecentral.com>
Date: Thu Apr 22 10:14:08 2004
Message-ID: <20030429042922.46185.qmail_at_web9304.mail.yahoo.com>

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If I remember my chemistry Ag ions trap Cl ions. Perhaps AgNO3 is the answer for rusting disease. Of course that will silver plate those irons.
Howard Wu
 "E.L. Jones" <jonee_at_epix.net> wrote:Good Answer Dave. You don't have to live by the sea to have rusting irons.

Be it remembered, that it is the chlorine ion which is the rusting
facilitator. The most common source is via salt (NaCl) from the skin.
It acts as a catalyst by holding the slightest amount of moisture from
the atmosphere.( Under the microscope these droplets look like little
brass or bronze colored insect eggs. The Chlorine ion will NEVER
evaporate and until it is physically removed it will trap the oxygen
molecule against the iron atom and do its nasty magic--over and over and
over. "Handled unprotected once; contaminated indefinitely".

Regards,
Elton


Dave Harris wrote:
>
> They reside, unprotected, in my mineral cabinet and, as far as I know, have
> not been treated in anyway except being lovingly fondled. Two of them are
> original' ex- Russian Academy of Science specimens and they have a natural
> patina - maybe not as nice as some I seen (like Martin's chocolate beauty)
> but still are splendidly tactile!




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<DIV>
<P>If I remember my chemistry Ag ions trap Cl ions. Perhaps AgNO3 is the answer for rusting disease. Of course that will silver plate those irons.
<P>Howard Wu
<P>&nbsp;<B><I>"E.L. Jones" &lt;jonee_at_epix.net&gt;</I></B> wrote:
<BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">Good Answer Dave. You don't have to live by the sea to have rusting irons.<BR><BR>Be it remembered, that it is the chlorine ion which is the rusting <BR>facilitator. The most common source is via salt (NaCl) from the skin. <BR>It acts as a catalyst by holding the slightest amount of moisture from <BR>the atmosphere.( Under the microscope these droplets look like little <BR>brass or bronze colored insect eggs. The Chlorine ion will NEVER <BR>evaporate and until it is physically removed it will trap the oxygen <BR>molecule against the iron atom and do its nasty magic--over and over and <BR>over. "Handled unprotected once; contaminated indefinitely".<BR><BR>Regards,<BR>Elton<BR><BR><BR>Dave Harris wrote:<BR>&gt; <BR>&gt; They reside, unprotected, in my mineral cabinet and, as far as I know, have<BR>&gt; not been treated in anyway except being lovingly fondled. Two of them are <BR>&gt; original' ex- Russian Academy of Science
 specimens and they have a natural<BR>&gt; patina - maybe not as nice as some I seen (like Martin's chocolate beauty)<BR>&gt; but still are splendidly tactile!<BR><BR><BR><BR><BR>______________________________________________<BR>Meteorite-list mailing list<BR>Meteorite-list_at_meteoritecentral.com<BR>http://www.pairlist.net/mailman/listinfo/meteorite-list</BLOCKQUOTE></DIV><p><p><br><hr size=1><a href="http://uk.rd.yahoo.com/evt=8613/*http://uk.yahoo.com/mail/tagline_plus/?http://uk.promotions.yahoo.com/yplus/btoffer.html"><b><font face="Arial" size="2">Yahoo! Plus - For a better Internet experience</font></b></a><br>
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Received on Tue 29 Apr 2003 12:29:22 AM PDT