2pc Silver Testing Solution for General Silver Quality and Metal Identification with Scratch Stone Set

Quickly evaluate suspected silver with this Silver Acid Testing Solution, designed for prospectors, metal detectors, collectors, miners and hobbyists who want a straightforward way to screen recovered or unidentified metal. The solution produces different color reactions that can help indicate whether a test sample is higher-quality silver, lower-quality silver, copper-rich material, or potentially silver plated.

When applied according to the manufacturer’s testing instructions, the reaction provides an easy-to-read visual indication of the sample's general silver quality. A creamy reaction typically indicates higher-quality silver such as sterling, while black may indicate coin-quality silver. A green reaction suggests a higher copper content, while a gold-colored reaction can indicate significant brass content and may suggest a silver-plated item.

This testing solution is intended as a general silver identification and quality screening tool rather than a precise silver purity test. It does not differentiate specific fineness levels such as .999, .925, or .800 silver. For testing that requires more detailed differentiation between silver purity levels, a specialized silver testing solution such as the manufacturer's #GT41 red-color test solution should be used.

Compact and easy to keep with prospecting supplies, metal detecting gear, field-testing equipment, or a home metal identification station, this silver acid test solution is a practical addition for evaluating interesting finds.

Always follow the manufacturer’s instructions and recommended safety precautions when handling acid testing solutions. Acid testing provides a preliminary indication and should not be considered a substitute for professional precious-metal analysis.

Includes: 1 Silver Acid Testing Solution and 1 Scratch Stone.

BEFORE TESTING:

Wear protective gloves and eye protection and work in a well-ventilated area. Gold testing solutions contain corrosive acids and should be handled carefully. Keep testing solutions away from children, skin, eyes, clothing, and surrounding surfaces. Always follow the safety information provided on the product label and included instructions sheet.

For best results, make sure the gold sample and scratch stone are clean and dry before beginning.

HOW TO TEST SILVER:

Create a Test Streak: Rub the object firmly across the scratch stone to leave a clear metal streak.

Create a Reference Streak: Next to the sample streak, make a parallel streak using a silver testing needle marked .999.

Apply the Testing Solution: Place a small drop of silver testing solution on both the sample streak and the .999 reference streak.

Observe the Reaction: Watch the color change on the sample streak and compare the reaction to the reference line.

Color reactions can vary depending on the sample, surface condition, and testing method. Acid testing provides a preliminary indication of silver content and should not be considered an exact assay.