Natrii Sulfas

例句：

1. 1.This chemical is commonly used as a preservative in food and pharmaceutical products.
   这种化学物质常被用作食品和药品产品中的防腐剂。
2. 2.The process of desalination involves using chemicals to remove salt from seawater.
   脱盐过程涉及使用化学品从海水中去除盐分。
3. 3.In agriculture, Natrii Sulfas is often used to treat soil to increase its fertility.
   在农业中，硫酸钠经常用于处理土壤以增加其肥力。