氢氧化钾法与硫酸法制备硫酸铝钾的区别探讨

彭敏,石建新,王周,赖瑢,李莲云,郑赛利,陈六平

The Differences between the Synthesis of Aluminum Potassium Sulfate by Aluminum Foil Dissolved in KOH and in H2SO4

Min PENG,Jian-Xin SHI,Zhou WANG,Rong LAI,Lian-Yun LI,Sai-Li ZHENG,Liu-Ping CHEN

表4 结晶过滤后所得滤液的铝含量滴定结果

溶解方式 V试样/mL VEDTA/mL VZn/mL m铝滤/g KOH 5.00 10.00 6.40 0.2249 10.00 10.00 2.24 0.2249 H2SO4 5.00 10.00 6.18 0.2411 10.00 10.00 1.72 0.2411