【摘要】 介绍采用邻菲口罗口林分光光度法对离子膜碱中三氧化二铁进行的测定 ,并就吸收曲线、邻菲口罗口林铁络合物的稳定性、显色剂浓度对照试验、邻菲口罗口林与铁的摩尔比、溶液酸度对络合物的影响以及共存离子消除等条件进行了探讨 ,以能更好地满足实际检测工作的需要。更多还原

【Abstract】 The determination of the content of the Fe 2O 3 in exchange membrane caustic soda by the o-phenanthroline spectrophotometry is introduced.The conditions are discussed to meet reqirements of determination,which includes the absorption curves,the stability of the o-phenanthroline-iron complex,the concentration of developing agent,the mole ratio of o-phenanthroline to iron,the influence of the acid concentration in the solution on the complex and the elimination of the co-ions and so on.更多还原