JSP 22K Gold Testing Acid Solution ? 0.5 oz Bottle | Fresh Accurate Assay Fluid for Jewelry Appraisal Test the authenticity of your gold with confidence using this genuine JSP 22K / 24K Gold Testing Solution. Trusted by professionals since 1980, JSP acids are known for their accuracy, consistency, and long shelf life. Ideal for jewelers, collectors, resellers, and hobbyists alike. Product Features: ? Fresh Reliable ? We only sell freshly sealed bottles direct from the manufacturer. ? Accurate Results ? Designed to test and confirm 22K/24K gold purity quickly and easily. ? High Yield ? One 0.5 oz (14g) bottle provides up to 400 tests. ? Compact Portable ? Small size is perfect for estate sales, travel, or at-home use. ? Trusted Brand ? JSP has been the industry standard in testing solutions for over 40 years. How to Use: Scratch the item on a test stone (not included). Apply a drop of the 22K acid to the scratch mark. Observe the reaction: If the mark holds, the item is at least 22 karat gold. Includes: (1) Bottle of JSP 22K Gold Testing Solution ? 0.5 oz (14g) Used to test up to 24K Gold (1) Printed instruction booklet with easy-to-read reaction chart Note: This listing is for one bottle only. Test stone and other tools sold separately.