Sentence:  Finally, the citric acid method is laid down as a means for estimating the phosphoric acid in phosphates of alumina. Recent investigations have fully proven the superiority of the <WSD>molybdic</WSD> process for such determinations. 
Meaning of the word marked with <WSD> tags:  Relating to molybdenum, especially describing compounds of molybdenum in which it has an oxidation state of +6.