The derivative ratio spectra is found by derivation of the ratio of the spectra of compounds in a mixture to the spectra of the interfering component against the wavelength.
利用混合物的波谱除以干扰组分的波谱得比值波谱，对波长求导得比值导数波谱，由此可消除干扰组分的吸光度叠加效应。
Instrumental installation, column, conditions, sample disposal, interfering component elimination, minimum detectable concentration, repeatability and applications cf the method were reported.
文中对仪器装置、色谱条件、样品处理、干扰物的消除、最小检测浓度、重复性、方法应用等进行了报导。
A new method for determining directly trace component in interfering base by absorbance division-multi-wavelength linear regression spectrophotometry.
提出了用除谱-多波长线性回归分光光度法测定强干扰基体中微量组分的原理和实验方法。
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