(Table 3) Approximate composition of tetrapyrrole pigment isolates at DSDP Le...

Values are normalized, using absorption values at chlorin red maxima. Equal extinction of chlorin species is assumed, ind. = indicated from spectra of mixtures; +, ++ = present,...以二氢卟吩红（chlorin red）最大吸收峰处的吸光度值为基准对数值进行归一化处理；假定所有二氢卟吩类物质的消光系数相等。其中缩写‘ind.’表示由混合物光谱推导所得；‘+’‘++’表示该物质存在，……