It is taking hychroperoxides as masking agents, alumnium in titanium alloys was meascred with aluminon ammonium aurintri-carboxylate.

研了以过氧化氢作为掩蔽剂,用铝试剂测钛合金中铝方法。

By access to information,determination methods of alumina are mainly including chrome azurol S method and aluminon method.

经查阅资料，测铝方法有铬天青S法和铝试剂法。