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

1.研究了以氢作为掩蔽剂,用铝试剂钛合金中铝的方法。

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

2.经查阅，铝的主要方法有铬天青S法和铝试剂法。