Product description
This kit is used to verify the content in items!
Apply a drop of this solution to a small sample of the item to be tested onto the test stone.
then the real will stay on the touchstone, false one will be dissolved or oxidized to blue
If the sample disappears, then the item is below the karat of the solution
This solution works for testing any which you believe to be 10K, 14K, 18K, 22-, , and pure.
Acid changes color based on purity. Very easy to use,
Ideal for testing jewelry, coins, antique , , collectibles, and more!
If u want test your ring is real or not, just need rub black stone, and leave a small sample on stone,
Apply a drop acid test on stone. real will tay on the touchstone, false one will be dissolved.
Material: High purity Graphite Stone & Acid Testing Water,
Size for manual measurement, there may be a 0 to 2 cm error, belongs to the normal phenomenon.
And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!
1 Set X Acid Testing Water & Graphite Stone.