In the presence of nonionic surfactant Tween-80,iron reacts with -Br- BTAQ at pH .～.,forming a reddish violet complex.
In the presence of nonionic surfactant Tween-80,iron reacts with -Br- BTAQ at pH .～.,forming a reddish violet complex.
在非离子表面活性剂吐温-80存在下,铁与-Br-BTAQ 于 pH .～.时反应,形成红紫色络合物.