Use a conical flask to fix the volume, addition of a working solution of known concentration by several times can prepare a standard series.
采用一个小锥形瓶固定其体积，便一定浓度的工作溶液添加数次便可获得一系列标准系列。
Based on the absorbance data of a group, standard solution, working equation of component was established by linear regression.
根据一组已知浓度混合液的吸光度，经一无线性回归建立组分的工作方程。
Based on the absorbance data of a group, standard solution, working equation of component was established by linear regression.
根据一组已知浓度混合液的吸光度，经一无线性回归建立组分的工作方程。
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