thiosulfate

例句：

1. 1. This compound is used as a preservative in food processing.
   这种化合物在食品加工中用作防腐剂。
2. 2.The sulfuric acid reacts with the sodium thiosulfate to produce sulfur dioxide gas.
   硫酸与亚硫酸钠反应产生二氧化硫气体。
3. 3. The thiosulfate solution is added to the wastewater to remove heavy metals.
   将硫代硫酸溶液添加到废水中以去除重金属。