Gold Testing Solutions Kit 10k 14k 18k 22k Scratch Stone
- ... the solution that could potentially damage an already finished item.
- however, if testing fine jewelry or other finished items, choose an inconspicuous spot so as not to compromise finishing.
- HOW TO USE THE ACID TESTING KIT: To test for karat content or purity, scratch the item on to the test stone leaving a visible deposit and place a small drop of the acid over top of deposit.
- if gold is the same karat or higher the deposit will not be affected.
- if the deposit is of lower karat, the deposit will dissolve.
- for platinum and silver repeat the same process.
- if the material is platinum, the deposit will not be affected.
- if silver material is of high quality, the solution will turn red.
- SPECIFICATIONS: Testing Stone Dimensions: 2 x 1.5 x 0.25 inches.
- Exercise extreme caution when opening and using.
- Proper protective gloves and eyewear are highly recommended.
- Instruction pamphlet included with purchase.