英语语法分析

The thallium content in Al Tl alloys, thallides and thallium sulfate are selectively determined by chelatometry with aminourea hydrochloride used as the reasling agent.

本文提出以盐酸氨基脲作释放剂，选择性螯合滴定法测定铅铊合金、铊化物和硫酸铊中的铊含量。