Fe(Ⅲ)-SCN-体系及主次波长计算光度法测定痕量铁的研究

Study on Fe(Ⅲ)-SCN^-System and Determination of Trace Iron by Primary-Secondary Wavelength Computation Spectrophotometry

利用主次双波长光度法 ,通过 Fe( ) - SCN-显色体系 ,依据显色体系吸光度 A与照射波长 λ及物质浓度 x间的关系 ,提出了测定铁的主次波长新光度法 ,该法精密度高 。

A new method for the determination of iron by primary\|secondary wavelength spectrophotometry with Fe(Ⅲ)\|SCN - colour reaction system has been introduced.The method has high precision and low detection limits.