The method was used to determine the content of di-phosphorus pentoxide in phosphoric acid and the result was satisfactory.
本方法用于测定磷酸中五氧化二磷的含量，获得满意结果。
The method was used to determine the content of di-phosphorus pentoxide in phosphoric acid and the result was satisfactory.
本方法用于测定磷酸中五氧化二磷的含量，获得满意结果。
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