Thiosulfate leaching has emerged as a promising alternative to the traditional cyanide method for gold extraction, primarily due to its lower environmental impact. As concerns about the toxicity ...

All patients were evaluated and tested by the same dermatologist. One hundred two patients reacted to gold sodium thiosulfate 0.5% in petrolatum (Chemotechnique Diagnostics, Malmö, Sweden ...

[21] In our experience, patch-test results were negative at day = but became positive by day 7 or later for the following metals: gold sodium thiosulfate 0.5%, palladium chloride 2%, potassium ...