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Is there a way to restore the dates of worn SLQ's?

 
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Pillar of the Community
United States
651 Posts
 Posted 09/27/2018  10:44 pm  Show Profile   Check GrapeCollects's eBay Listings Bookmark this reply Add GrapeCollects to your friends list Get a Link to this Reply
Thanks to you too!
ANA id: 3194067

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Bedrock of the Community
United States
14479 Posts
 Posted 09/28/2018  10:30 am  Show Profile   Bookmark this reply Add Conder101 to your friends list Get a Link to this Reply
It isn't that expensive. The Science Company sell 100 grams or crystal for $13. That's enough to make 1000 ml of a 10% solution. Now if you price the ready made solution that is considerably more. 125 ml of 10% solution is $24. So you can make 1000 ml for about $13, to buy that much ready made would cost over $200.

Carolina biological has 100 g for $9.70.

One word of warning though, using it on silver will form silver nitrate which can turn black on exposure to light. so any treated coins may turn black as well. You might be able to avoid that though by treating the coins in darkroom conditions and thoroughly rinsing the coins before exposure to light for examination.
Gary Schmidt
Edited by Conder101
09/28/2018 10:36 am
Pillar of the Community
United States
651 Posts
 Posted 09/28/2018  3:26 pm  Show Profile   Check GrapeCollects's eBay Listings Bookmark this reply Add GrapeCollects to your friends list Get a Link to this Reply
Thanks for the advice condor! I'll keep that in mind
ANA id: 3194067

If you want to buy something or sell something or just talk, shoot me a PM!
Pillar of the Community
United States
651 Posts
 Posted 09/28/2018  10:44 pm  Show Profile   Check GrapeCollects's eBay Listings Bookmark this reply Add GrapeCollects to your friends list Get a Link to this Reply
@Conder101 if I need to it in darkroom conditions, will an ultraviolet black light turn the silver nitrate black?

Thanks

GC
ANA id: 3194067

If you want to buy something or sell something or just talk, shoot me a PM!
Bedrock of the Community
United States
14479 Posts
 Posted 09/29/2018  09:13 am  Show Profile   Bookmark this reply Add Conder101 to your friends list Get a Link to this Reply
I have to admit I don't know. I don't know if it reacts to certain frequencies or if it is a matter of intensity.
Gary Schmidt
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