Professional silver test acid for determining silver purity. Supplied in a 20 ml bottle. Intended for trained professional use only. CANNOT BE TRANSPORTED WITH FEDEX.
Extra-quality natural touchstone by Technoflux for precise precious-metal testing with touch acids. Provides clear metal streaks and long-lasting durability.
Five acids and a touchstone for the determination of carats of different metals. The results can be seen visually, gloves and safety goggles are mandatory to use while handling. The product is for professional use only.
Testing acid for platinum. Product is for professional use only.
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