TESTING ACIDS (20ml INDIVIDUAL UNITS)

These small scale testing acids allows you to confidently determine 9ct, 14ct, 18ct, and 20ct gold, as well as to test for platinum and silver. Never question the authenticity of your precious metals again. Perfect for the savvy collector or jewelry enthusiast.

How To Test The Carat Of Gold (to be used on gold jewellery)

1. Make a scratch line with the gold piece to be tested on the gold test stone. 

2. Place drops of the different gold test solutions on the line (9ct, 14ct, 18ct, 20ct).

3. Wait for one minute.

4. Where the scratch line is still visible, that indicates the carat value.

5. If the item was made of brass for eg, the scratch line would disappear.

How To Test For Platinum 

1. Make a scratch line with the platinum piece to be tested on the test stone.

2. Place a drop of the platinum test solution on the line.

3. Wait for one minute.

4. If the scratch line remains visible, that is a positive test for platinum.

5. For other metals, the scratch line will disappear, indicating it is not platinum.

How To Test for Silver

1. Remove all impurities from the surface of the silver piece to be tested by using a solvent like thinners, etc.

2. Place a drop of the silver testing solution on the item to be tested. Always test on a inconspicuous section of the piece

3. If it is silver, the drop will become red. The degree of redness depends on the quality of the silver. (A). On sterling silver (925 silver) the drop will become light red. (B). On silver plate the solution will become darker red. 

4. Other metals will not show up as red.

Seller accepts no liability for users results. The user is responsible to apply requisite knowledge when operating in the field.