organic impurity

• 有机杂质

organic impurity的用法和样例：

例句

1. The methods of determination of organic impurities in mesalazine were discussed.
   对美沙拉秦中有机杂质的测定进行了探讨。
2. Organic impurities are sometimes present to such an extent that the rock must be calcined to remove them.
   有时候矿石中存在有机杂质甚多，以至必须将矿石进行煅烧以消除之。