potassium metaantimonate

例句：

1. 1. This potassium metaantimonate is used in the production of antimony trioxide.
   这种钾抗锑酸盐用于生产三氧化锑。
2. 2. The potassium metaantimonate was found to be effective against the disease.
   这种钾抗锑酸盐被发现对这种疾病有效。
3. 3. The potassium metaantimonate was used as a preservative in food packaging.
   这种钾抗锑酸盐被用作食品包装的防腐剂。