Through IR analysis, the main component in group II was identified as dialkyl-benzene, while in Group III was monoalkyl-benzene as well as dialkyl-tetralin and indane (DTI).
然后用紫外法求
Ⅱ族组
中邻、间二烷基苯之和与对二烷基苯的质量比
为1∶409。
（Department of Trade and Industry）Through IR analysis, the main component in group II was identified as dialkyl-benzene, while in Group III was monoalkyl-benzene as well as dialkyl-tetralin and indane (DTI).
然后用紫外法求Ⅱ族组中邻、间二烷基苯之和与对二烷基苯的质量比为1∶409。
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