ammonium tungstate

例句：

1. 1. This compound is used in the production of fertilizers and pesticides.
   这种化合物用于生产肥料和农药。
2. 2. The ammonium tungstate solution was tested for its pH value.
   氨四氢二钨酸铵溶液被测试了其pH值。
3. 3. The ammonium tungstate crystals were analyzed for their chemical composition.
   氨四氢二钨酸铵晶体被分析以确定其化学成分。