sodium sulfate

例句：

1. 1. This salt is used as a preservative in food and medicine.
   这种盐用于食品和药物的防腐剂。
2. 2.The chemical reaction between sodium chloride and water produces hydrogen gas and sodium hydroxide.
   氯化钠与水之间的化学反应产生氢气和氢氧化钠。
3. 3.Sodium sulfate is commonly used to treat skin conditions like eczema and psoriasis.
   硫酸钠常用于治疗如湿疹和牛皮癣的皮肤疾病。