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prince_n

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[求助] SO42- CO32- NH4+ 体系中总氮含量能用滴定分析么

如题,上述水溶液中铵过量呈碱性,且不存在HCO3-离子,能否用酚酞为指示剂HCl滴定总铵与CO32-,然后继续溶液中滴入甲基橙指示剂继续HCl滴定HCO32-的量,计算碳酸根弄度,硫酸根在里面是否有影响
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