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kjavanb123
Joined: 02 Jan 2021 Posts: 12 Location: India
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Posted: Sun Jan 03, 2021 3:35 am Post subject: Unknown components |
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Hey everyone
This is my first post here. I had 3 boards which based on number of it maybe from 1986 and the language seems Russian.
I processed the tips of their relays which had silver. But I have been left with these components. I believe two of them are transformers and those six must be capacitors. I am curios about the pipe shape components.
Any of them as value as vintage for collectors?
Thanks and best regards
KJ |
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Bator

Joined: 28 Oct 2013 Posts: 1285 Location: Russia / Yakutia & Siberia
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Posted: Sun Jan 03, 2021 4:08 am Post subject: |
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In the pictures:
- relay РЭН-18
- capacitors К50-6
- transformer ТСМ-2
All this can be safely thrown into the trash. There is a lot of such junk.
It has no collectible value. _________________ WTB List / Trade List |
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frag_
Joined: 17 Nov 2008 Posts: 4015 Location: Estonia
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Posted: Sun Jan 03, 2021 4:23 am Post subject: |
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Yes, РЭН 18-Т has silver contacts, ~1.7g per relay.
The rest is useless. |
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kjavanb123
Joined: 02 Jan 2021 Posts: 12 Location: India
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Posted: Sun Jan 03, 2021 4:40 am Post subject: |
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| Thank you for quick respond. |
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kjavanb123
Joined: 02 Jan 2021 Posts: 12 Location: India
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Posted: Sun Jan 03, 2021 8:14 am Post subject: |
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Fellows
I removed the copper wires of the first relay seen in the picture and looked at the rod which I believed it was copper and coated with silver.
So I tried sulfuric plus nitric acid method to remove silver coating and leaving the copper intact, but to my surprise nothing happened.
So I rinsed it clean and added part of the rod in nitric and got reaction then rinsed it clean and to that nitrate solution added hcl to see if any silver that was dissolved to be dropped as silver chloride |
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kjavanb123
Joined: 02 Jan 2021 Posts: 12 Location: India
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Posted: Sun Jan 03, 2021 8:21 am Post subject: |
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Again nothing happened but solution turned yellow so I tested the solution and it was positive for Pd Palladium.
Here are some pics. |
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rjluna2
Joined: 27 Oct 2014 Posts: 1302 Location: Hiram, GA, USA
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Posted: Mon Jan 04, 2021 9:12 am Post subject: |
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Soviet Union electronic component looks interesting  |
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kjavanb123
Joined: 02 Jan 2021 Posts: 12 Location: India
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Posted: Mon Jan 04, 2021 10:14 am Post subject: |
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Indeed
I have to let you all know that for some reason I think my stannous chloride testing solution is bad.
But I saw yellow Pd salt dropped and it dissolved back to solution but solution is negative. |
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Bator

Joined: 28 Oct 2013 Posts: 1285 Location: Russia / Yakutia & Siberia
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kjavanb123
Joined: 02 Jan 2021 Posts: 12 Location: India
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Posted: Mon Jan 04, 2021 12:32 pm Post subject: |
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Hi
Please elaborate? I have been a member of grf since 2009. You mean I should not post anything related to refining here? |
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xsecret

Joined: 01 Feb 2004 Posts: 1846 Location: France
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cuttingedgecs
Joined: 08 Oct 2017 Posts: 1764 Location: Australia
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Posted: Mon Jan 04, 2021 4:31 pm Post subject: |
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[quote="kjavanb123"]Hi
Please elaborate?/quote]
As collectors, we see many valuable items destroyed by people who try to extract insignificant amounts of precious metals from them. Thankyou for checking here first to see if any of your items had collectable value before scrapping them. We appreciate that, and wish more scrappers took the time to do that. But while talking about scrapping isn't banned here per se, destroying old things is the exact opposite of what we do, so discussing that is certainly out of place here. |
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kjavanb123
Joined: 02 Jan 2021 Posts: 12 Location: India
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Posted: Mon Jan 04, 2021 11:34 pm Post subject: |
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| My apologies then. |
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