试液pH对分光光度法测定电厂水汽中痕量铁的影响
星成霞,刘龙飞,王应高

Influence of testing liquid pH on the accuracy of spectrophotometry determination of trace iron in water-steam system at power plants
Chengxia Xing,Longfei Liu,Yinggao Wang
表1 水中Fe2+和Fe3+水解最小酸度控制值
Fe2+(Fe3+)浓度/(mol·L-110-110-210-310-410-510-610-710-8pKsp
Fe2+水解最小pH控制值7.007.508.008.509.0015.1
Fe3+水解最小pH控制值1.501.832.172.502.833.173.503.8338.5