ACID TOUCH BLISTERS 9K

Water ampoule 9 K touch calibrated to check 9 to 12 carat gold. Break the end of the blister by the mark without removing it from the plastic bag. Carefully pour the contents into a glass bottle suitable for touch acid.
This product is intended for professional use only. It uses a highly corrosive product, so it will be absolutely necessary to take appropriate safety measures such as wearing gloves and protective glasses and avoid contact with the skin.
CHARACTERISTICS:
Range of analysis: 8-12 K
Content: 15 ml (5 oz)