Feature(may vary by option.)

●This kit is used to verify the gold content of an item
●Real gold remains on the touchstone, but fake gold will melt or oxidize to blue color
●Perfect for Jewelry and Gold Inspection
●If the sample disappears the item is below the carat of the solution
●Apply a drop of this solution to a small amount of samples on the test stone

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Description

Practical Acid Test Kit Gold Test Touchstone Jewelry Tool Set Resin Jewelry Crafts
Features:
This kit is used to verify the gold content of an item.
Apply a drop of this solution to a small amount of samples on the test stone.
Real gold remains on the touchstone, but fake gold will melt or oxidize to blue color.
If the sample disappears the item is below the carat of the solution.
Perfect for Jewelry and Gold Inspection