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介绍了采用分光光度法测定Fe3+离子摩尔线性吸收系数的原理、方法及Fe3+离子标准溶液的制备过程;在一定的Fe3+离子浓度范围内,测定了Fe3+离子摩尔线性吸收系数,给出了测量结果,并对测量结果的不确定度进行了评定。
The principle, method and preparation of Fe3 + standard solution for linear absorption coefficient of Fe3 + ion were introduced by spectrophotometry. The molar linear absorption coefficient of Fe3 + ion was measured within a range of Fe3 + ion concentration. The measurement results were given. The uncertainty of the measurement results was also evaluated.