【摘要】 胆矾中铜含量的测定是分析化学实验课中的必做实验,在原有实验的基础上,探讨了淀粉指示剂加入时间,KSCN加入时间对测定结果的影响.推荐该实验作为化学及近化学类专业低年级学生的开放性实验.更多还原

【Abstract】 Determination of copper content in blue copperas is a necessary experiment in analytical chemistry.On the basis of original content,the effects of starch indicator,potassium thiocyanate solution adding time,on the determination results were studied.The benefits of the approach are illustrated.The experiment is recommended as an open experiment for junior students majoring in chemistry and near-chemistry.更多还原