更多auxochrome例句

1. The selenium atom in a cyclic compound also acts like an auxochrome.
2. This brings selenophene more akin to pyrrole than thiophene, but the group -NH- in the molecule of pyrrole is an auxochrome.
3. In other words, an auxochrome in addition to the chromophore group transforms a colorless chromogen into a colored one.
4. While phenyldisulphide is colorless, when an auxochrome group is added, such as NH2, the compound is colored.