化学成分量计量/ metrology of quantity of chemical composition // metrology of quantity of chemical composition /
化学成分量测量及其应用的学科。是化学成分量领域内研究计量单位统一和量值准确可靠的化学计量分支。
基体化学成分量计量技术/ metrology technology of quantity of chemical composition in matrix /metrology technology of quantity of chemical composition in matrix
化学成分量计量化学计量领域内,保证基体化学成分量计量单位统一和量值准确可靠的技术。基准试剂纯度国家计量基准/ national primary standard for primary chemical purity /national primary standard for primary chemical purity
化学成分量计量通过恒电流精密库仑滴定法测定容量分析用基准试剂纯度的国家计量基准。