The analytical errors caused by the interference of the complexation reagent acid chrome blue K can be reduced by taking the reagent itself as a component of the system to be analyzed.

• 对所测的光谱进行傅里叶变换滤波,求混合体系光谱与显色剂光谱的比光谱,再对波长求导,然后对剩下的两组分中的一组分的光谱进行比值求导;