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Author Topic:   Silver scratch testing Solution B
Mudcreektraders

Posts: 2
Registered: Mar 2021

iconnumber posted 11-12-2021 12:55 PM     Click Here to See the Profile for Mudcreektraders     Edit/Delete Message   Reply w/Quote
Looking for a silver testing solution simply called Solution B that turns sterling robins egg blue when scratched and solution is applied. It came in a test kit and I can't find it anywhere. An idea as to what chemical it is or where I can find it? I find current solutions in test kits difficult to read.

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Paul Lemieux

Posts: 1786
Registered: Apr 2000

iconnumber posted 11-15-2021 06:52 AM     Click Here to See the Profile for Paul Lemieux     Edit/Delete Message   Reply w/Quote
I have never heard of "Solution B", but 18K gold testing acid turns a light opaque blue on sterling. So I assume "Solution B" is just somebody's marketing ploy for ordinary 18K acid.

I can't tell from your question if you are scratching a mark onto the silver itself or not. It is less damaging to rub the silver piece on a touchstone and test the rubbing than to file/scratch the silver piece itself.

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ahwt

Posts: 2289
Registered: Mar 2003

iconnumber posted 11-15-2021 10:25 AM     Click Here to See the Profile for ahwt     Edit/Delete Message   Reply w/Quote
Specific Gravity Testing for Precious Metals & Gems is a non-destructive method for testing stand alone objects. I have never done this, but it does seem a straightforward way of determining the content of silver.

[This message has been edited by ahwt (edited 11-15-2021).]

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cbc58

Posts: 315
Registered: Aug 2008

iconnumber posted 11-20-2021 01:45 PM     Click Here to See the Profile for cbc58     Edit/Delete Message   Reply w/Quote
Please don't use acid directly on silver...

[This message has been edited by cbc58 (edited 11-20-2021).]

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