Columbic acid
| (Chem.) | a weak acid derived from columbic or niobic oxide, Nb2O5; - called also niobic acid. | (Chem.) | an organic acid extracted from the columbo root as a bitter, yellow, amorphous substance. |
See also: Columbic, Columbic
| 单词 | columbic acid | ||||
| 释义 | Columbic acid
See also: Columbic, Columbic |
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