Wayne or anyone gold test question

[ojm bc]

I read somewhere to check if an item is gold, if you don't want to bother a jeweller right away, all you have to do to check if your find is real gold,
Is very simply use a q-tip dab in some batterer acid and touch your metal.
If real gold it will not show a mark, it does not reveal the karat but that it's worth further tests, any one ever used this method, though modern batteries are sealed. hh oj

ps not show a mark or change in colour? not sure

 

[Micheal_R]

I have a Mizar gold tester.... so if you want, send it to me... I will test it for you..

You can get battery acid at most any hardware store...... But I may be wrong, I thought that nitric acid was a better testing agent than sulfuric acid.. [Wayne almost certainly would know]

Calm seas

Micheal

 

[Wayne in BC]

Nitric acid is used. If you want to know the Karat value you must do a comparative scratch test using a known Karat value item. Keep in mind that with Jewelery the marking on it may be faked.

A gold looking item is rubbed on a flat slate piece to put some of the metal on the slate. A piece of metal you know is gold is also rubbed on the slate. The acid is placed on both rubbings and the color is compared. The acid will dissolve the rubbing from the unknown item if it is not gold. If it is a lower karat than the

 

[ojm bc]

n/t

 

[Micheal_R]

n/t

 

[Wayne in BC]

n/t