PRODUCT DETAILSThis listing includes:- (1) JSP 1/2 ounce bottle of Stannous Chloride. STANNOUS CHLORIDE: 99+% pure reagent grade. Acidified with hydrochloric acid. This stannous chloride liquid is pre-mixed and ready to use. No need to add Hydrochloric acid. Pre-calibrated to test for gold, platinum, and palladium. A solid gram of tin bullion keeps this solution potent while maintaining an ideal concentration. SnCl.This is a great tool for mixing your own test solution for Gold / Platinum / Palladium, mix with water in a 1.5g/mL ratio.A MUST-HAVE for anyone who invests in gold, silver, or platinum!If you have any further questions, please feel free to contact us. We look forward to serving you in the future.