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5 产品的铝含量滴定结果

溶解方式 m产品/g m试样/g V试样/mL VEDTA/mL VZn/mL m铝产/g KOH 15.7710 0.2027 10.00 10.00 7.04 0.7572 15.7710 0.2027 20.00 10.00 3.44 0.7572 H2SO4 34.7297 0.2026 10.00 10.00 6.96 1.6729 34.7297 0.2026 20.00 10.00 3.35 1.6729