Gold Testing Kit 18k & Silver Solution Acid Test Gold Authenticity Tester USA

PRODUCTS DESCRIPTION
The 18K and Silver Test acids come in sturdy plastic bottles with internal baffle which prevents leaks to maximize safety and allows the user to precisely drop the amount needed. 12 grams. Use Scratch Stone for determining the carat content of jewelry. Jewelers use these dark test stone to test gold karat as well as silver and platinum. Metal is tested by being scratched onto the surface of the stone. The stone is to be paired with testing solutions and acids to accurately determine the karat content of the scratch that was made. Measures: 2x 1-1/2x 1/4
The Silver test will help jewelry buyers and sellers to accurately determine the karat value of their jewelry, coins, bars, or scrap and to determine the purity of Silver..
Just scratch the piece of silver you would like to test on a testing stone and place 1 drop on that mark where the stone was scratched.
Results:
Fine Silver 999 turns Bright Red
Sterling Silver 925 turns Dark Red
Silver 800 turns Brown
Silver 500 or less turns Green

Professional Use.
HOW TO USE?
SIMPLY SCRATCH THE PIECE OF GOLD YOU WOULD LIKE TO TEST ON A TESTING STONE AND PLACE 1 DROP ON THAT MARK WHERE THE STONE WAS SCRATCHED. IF THE SCRATCH DISAPPEARS, THEN THE ITEM IS EITHER NOT GOLD OR A LOWER KARAT. IF THE SCRATCH REMAINS, THEN THE ITEM IS THAT KARAT.

PRODUCT SPECIFICATIONS
TESTING SOLUTIONS
- Each bottle has 12 g. Testing solution
- Dimensions: 3.1" X 1" X 0.7" Inches (78 X 24 X 18mm)
- Bottle: Sturdy Plastic
-TEST STONE NOT INCLUDE