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Subject:
Re: ASS: Green Contamination
From:
[log in to unmask]
Date:
Mon, 11 Nov 1996 09:57:18 -0500
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/HPOFFICE/NETMAIL/C1631612.txt (41 lines) 
    What causes the copper to appear green? Will this happen if there is no 
    introduction of contaminants?
    
    Jim
    
    [log in to unmask]


______________________________ Reply Separator _________________________________
Subject: ASS: Green Contamination
Author:  Michel POULIN <[log in to unmask]> at Jabil_Internet
Date:    11/11/96 8:46 AM


Maurice,
    
     According to me it is copper.  I've never seen nickel like you
mentionned on pin.  Basicaly, the salt can't be deposed.
    
     If it is the case, it is a no go.  You have to strip ( uisually
with HNO3 and replate.
    
     Regards,
    
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