In this paper, UV-visible spectrometric technique has been developed and applied to analysis of the purities of organic pigment-PR176, PR188, PB60.

• 有很多分析方法可用来测定颜料及中间体的纯度,如液相色谱、红外、紫外及可见光谱等等,对三种有机颜料PR176、PR188、PB60的纯度的分析测定方法进行了探讨与研究。