EDTA溶液络合滴定法测定石灰石中氧化钙含量的不确定度评定  

Evaluation of uncertainty in the determination of calcium oxide in limestone by EDTA solution complexometric titration

作　　者：何亚 吴力鹏 He Ya;Wu Lipeng(Xingcheng Special Steel Co.,Ltd.,Wuxi 214400,Jiangsu,China)

机构地区：[1]江阴兴澄特种钢铁有限公司,江苏无锡江阴214400

出　　处：《特钢技术》2023年第4期50-54,共5页Special Steel Technology

摘　　要：利用EDTA溶液络合滴定法测定石灰石中氧化钙含量,分析了氧化钙含量不确定度产生的原因,并建立相应的数学模型,而且对一个石灰石中的氧化钙含量测定结果的不确定度进行了评定。the content of calcium oxide in limestone was determined by EDTA solution complexometric titration,the cause of uncertainty of calcium oxide content was analyzed,and the corresponding mathematical model was established,the uncertainty of the determination result of calcium oxide content in a limestone was evaluated.

关 键 词：EDTA溶液络合滴定法 石灰石 氧化钙 不确定度 

分 类 号：TF561[冶金工程—钢铁冶金]