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October 2005

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Subject:
From:
"Barmuta, Mike" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Barmuta, Mike
Date:
Fri, 21 Oct 2005 13:50:19 -0700
Content-Type:
text/plain
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text/plain (120 lines)
Actually John you're not far off in your Bud comment. After final DI rinse
follow with two alcohol rinses. One to displace the water and the second to
provide a fast evaporating rinse media when placed in the oven. Use a good
grade, electronic or above isopropyl alcohol. Better yet 190 proof ethanol
and start the weekend out right.

                                                                Mike Barmuta


-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of John Burke
Sent: Friday, October 21, 2005 1:41 PM
To: [log in to unmask]
Subject: Re: [TN] Removing oxide from silver flakes.


I guess havng removed it, the rinsing and drying wil have to be carefully
addressed to avoid re-oxodising the silver, maybe several agitated rinses in
DI water followed by  heating in a nitrogen purged batch oven.

As for the rinsing material as it is Friday my suggestion for an alternate
is Bud light since it is absolutely tasteless/odorless...........8-)

John

------------------------------------
Avanex
John Burke
Senior Manager RoHS Compliance
[log in to unmask]
40919 Encyclopedia Circle
Fremont
CA 94538
tel: 510 897 4250
fax: 510 979 0189
mobile: 510 676 6312
------------------------------------


-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of R Sedlak
Sent: Friday, October 21, 2005 1:33 PM
To: [log in to unmask]
Subject: Re: [TN] Removing oxide from silver flakes.


In the US, I would send you down to your local supermarket to buy a bottle
of silver tarnish remover....

Another way to do this, depending on your situation is to find a mildly
alkaline detergent solution, and pour the silver flakes on to a piece of
aluminum foil, and immerse in the mildly alkaline detergent solution... this
will reduce the Silver oxide to silver metal...

Good luck, let us know if it worked.

Rudy Sedlak
RD Chemical Company

Syed Sajid Ahmad <[log in to unmask]> wrote:
Any help on getting rid of oxide on silver flakes will be appreciated.
Thanks.
Syed.

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