英语语法分析

The zinc content in zinc dipping solution was determined by complexometry.

采用络合滴定法测定浸锌液申的锌。

Methods:The contents of tannin were determined by complexometry and that of amino acids by amino analyzer.

采用沉淀、络合滴定法，间接快速地测定了重晶石中钡的含量。

Methods: The contents of tannin were determined by complexometry and that of amino acids by amino analyzer.

方法：用络合滴定法测定鞣质含量，用氨基酸自动分析仪测定氨基酸含量。