Hi Inge,
I am interested to know more about this non-cyanide gold stripping using
Iodine, can you give me more details of the stripper. Is it just Iodine or
is it a proprietary iodine based stripper, what temperature does the
solution have to be and the how long does it take to strip.
Thanks,
Krishnan
On Wed, Jul 21, 2010 at 3:16 PM, Inge <[log in to unmask]> wrote:
> Rudy,
> we have stripped gold on thin film substrates for decaces with Iodine
> without noticing any aggression to Nickel.
> /Inge
>
>
>
>
> ----- Original Message ----- From: "R Sedlak" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Monday, July 19, 2010 11:42 PM
> Subject: Re: [TN] Removing gold and leaving nickel unaffected
>
>
> Bev:
> I am gonna have to dig deep on this one, BUT my long distant memory tells
> me that there is a gold stripper based on Iodine! Key issue may be does it
> attack Nickel? Lemme dig in here. Or would Iodine be "beyond the RIM"? I, of
> course, would prefer to give you a stripper which was "nothing but net".
>
> Rudy
>
>
> --- On Mon, 7/19/10, Bev Christian <[log in to unmask]> wrote:
>
> From: Bev Christian <[log in to unmask]>
> Subject: [TN] Removing gold and leaving nickel unaffected
> To: [log in to unmask]
> Date: Monday, July 19, 2010, 11:38 AM
>
> TechNetters,
> is there a way of chemically removing an ENIG gold layer and not attacking
> the underlying nickel without using cyanide?
> Bev
> RIM
>
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