ultra-violet absorption spectrum 紫外线吸收谱线
The results showed that absorption spectrum of violet cabbage pigment is distinction of anthocyanins.
结果表明，紫甘蓝色素的吸收光谱为花色苷的特征吸收。
The objective molecule was determined through testing the compound with elementary analysis, IR spectrum and ultra-violet absorption spectrometry in DMF.
通过对化合物的元素分析、红外光谱以及在DMF中紫外吸收光谱的测定，确定了目标分子。
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