On Sun, 27 Dec 1998 11:02:07 -0800 "Radiodan W7RF" <RFpower@radiodan.com>
writes:
>
>Hi Dick and the group,
>
>It is my understanding that silver oxide (tarnish) is as good of a
>conductor
>as the silver itself, which makes cleaning this tarnish of cosmetic
>value
>only. Indeed my Gonset 6M amp using a 4CX250B has so much tarnish on
>the
>silver components that it appears they used black parts! It still puts
>out
>300 watts for 9 watts input. I can live with that from a 30+ year old
>vintage amp.
Just about anything works at HF and 6M and maybe even 2M in an amp but
personal experience with silver oxide at very low RX levels and RF
connectors tells me different.
I read once that the real black coating is not silver oxide but a
resultant compound.
Not being a chemist I defer to the experts.
73 Carl KM1H
>
>I have printed and saved your e-mail as it is so complete in regards
>to
>cleaning, resilvering and then preserving silver all in one paragraph.
>Thanks!
>
>73, Dan Magro W7RF, (member SCDXC, SCCC)
>Manufacturers Rep & Distributor for HENRY Amplifiers.
>www.radiodan.com <http://www.radiodan.com> ??? RFpower@radiodan.com
><mailto:RFpower@radiodan.com> A trip to our web site is worth the
>click!
>
>
>
>
>> -----Original Message-----
>> From: owner-amps@contesting.com [mailto:owner-amps@contesting.com]On
>> Behalf Of Dick Hanson
>> Sent: Sunday, December 27, 1998 8:58 AM
>> To: amps Reflector
>> Subject: [AMPS] restoring/replating
>>
>>
>>
>> Howdy....
>> A while back, there was a thread on silver tarnish removal. Here
>> is another
>> alternative which really works well. To remove tarnish, use Tarn-X,
>> available in most drug stores (like Eckerd's). 12 ounces costs about
>$4.
>> (Pat Stein at Commander told me about it.) Then, if anything needs
>> replating, an excellent product is "Silversmith", mfg'd by E-Z
>> Way Chemical
>> Co. in Burlington, Wa. It really works well, but is expensive
>> ($20 or so for
>> 5 1/2 ounces), and it is poisonous, so you have to be careful how
>> you handle
>> it and where you store it. The final touch for preserving the
>> silver finish
>> is Hagerty silversmith polish. (Also a tip from Pat Stein). Again,
>this
>> product is somewhat pricey, and seems to be available only in
>> jewelry shops,
>> but it really delays the tarnishing process. Hope this info may be
>of some
>> use.
>> Best wishes for the new year.
>> Dick Hanson, K5AND EM74
>> 7540 Williamsburg Dr.
>> Cumming, Ga. 30041
>> 770-844-7002
>>
>>
>> --
>> FAQ on WWW: http://www.contesting.com/ampfaq.html
>> Submissions: amps@contesting.com
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>> Problems: owner-amps@contesting.com
>> Search: http://www.contesting.com/km9p/search.htm
>>
>>
>
>
>--
>FAQ on WWW: http://www.contesting.com/ampfaq.html
>Submissions: amps@contesting.com
>Administrative requests: amps-REQUEST@contesting.com
>Problems: owner-amps@contesting.com
>Search: http://www.contesting.com/km9p/search.htm
>
>
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