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-   -   A Test For Gold........ (http://forums.pelicanparts.com/showthread.php?t=386248)

Kevin Taylor 01-08-2008 10:41 AM

A Test For Gold........
 
...............is there a simple way to test an item to see if it's really made of gold?

Thanks K.T.
1973 911 E 2.4 MFI
1983 911 SC
1978 911 SC
1965 Devin "D" / 1967 912 Power Plant
1998 GMC Serra 4X4 Z71
John Deere LT166
Money Can Buy Happiness........Buy A Porsche......a

silverc4s 01-08-2008 10:44 AM

WRONG ANSWER -Duuuh

M.D. Holloway 01-08-2008 10:44 AM

Use a Multimeter - conductivity will tell if it is plated, an acid test will tell you if it is solid.

M.D. Holloway 01-08-2008 10:47 AM

joke from our Son:

Silver says to Gold, "AU"

Gold says to Silver, "Hi back at you..."

silverc4s 01-08-2008 10:50 AM

http://en.wikipedia.org/wiki/Cupellation

Hugh R 01-08-2008 01:19 PM

A real jewelry maker has an electronic device, a really, really sensitive ohm meter that can tell you the purity as a quick non-assay test.

Dixie 01-08-2008 04:38 PM

Easy... Give it to a woman. See what happens.

cstreit 01-08-2008 07:35 PM

Do a search on the internet for a photograph of someone with it embedded in their teeth or hangin off chain?

Seriously though, check custom jewelers, they have the right device as I think someone mentioned.

Aurel 01-08-2008 08:01 PM

If you can sell it for ~$860/oz, it is probably gold :D.

aurel

on2wheels52 01-09-2008 05:39 AM

I have bottles of acid(?) marked for 10, 14,18,& 22kt gold.
Lets say you have a piece of solid 18kt. The 10 & 14 bottles will react with the gold, the 18 won't.
This is assuming the sample is of a uniform mixture. If it's a pounded together glob it would need to be melted down.
Jim

many944s 01-09-2008 06:47 AM

Check here:
http://www.ishor.com/contents.htm

They used to sell an electrolytic "pen" that had a felt tip that was impregnated with a salt solution. Off the back end of the pen was a thin wire. (they used to be sold on Ebay all the time)

To use it, you simply held the wire to the bottom of the metal you are testing, then run the pen tip over the top surface of the questionable metal. Next draw a line with the pen tip on a white piece of paper. It will leave different colored lines for different purities of various metals (Platinum, palladium, gold, etc) I think I still have one around here, I will see if I can find it and post a pic.

Hope it helps,
Nick


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