Thiosulfate is a chemical compound made up of sulfur and oxygen atoms. It is commonly used in photography, medicine, and as a chemical neutralizer. Full definition
Make a solution consisting of four ounces sodium thiosulfate crystals, which are available at pet stores, pool supply stores or online, and dissolve in one gallon of distilled or de-ionized water. (tulsapetsmagazine.com)
Onions and garlic contain thiosulfate, which can cause oxidative damage to RBCs and result in anemia. (merckvetmanual.com)
The plate goes into a sodium thiosulfate solution to dissolve the unexposed halides; it's rinsed with water and then washed with a gold chloride solution that's heated by an alcohol lamp. (discovermagazine.com)