Definitions
from The Century Dictionary.
- Of or pertaining to niobium.
from the GNU version of the Collaborative International Dictionary of English.
- adjective (Chem.) Same as
columbic .
Etymologies
Sorry, no etymologies found.
Support
Help support Wordnik (and make this page ad-free) by adopting the word niobic.
Examples
-
These oxides are commonly met with in samples of wolfram and tinstone, especially niobic.
A Text-book of Assaying: For the Use of Those Connected with Mines. Cornelius Beringer 1886
-
The chief foreign matters in the black tin are silica, oxides of iron and copper, and wolfram, with traces of manganese and niobic acid; and in certain stream ores there may be as much as 6 or 7 per cent. of titaniferous iron.
A Text-book of Assaying: For the Use of Those Connected with Mines. Cornelius Beringer 1886
-
On boiling with hydrochloric acid they are both liberated, and remain for the greater part (all the niobic) in the insoluble residue with the tungstic acid.
A Text-book of Assaying: For the Use of Those Connected with Mines. Cornelius Beringer 1886
-
The separated salts (after heating with sulphuric acid and washing out the potassium sulphate formed) are ignited with ammonic carbonate, and weighed as tantalic oxide (Ta_ {2} O_ {5}) and niobic oxide (Nb_ {2} O_ {5}) respectively.
A Text-book of Assaying: For the Use of Those Connected with Mines. Cornelius Beringer 1886
Comments
Log in or sign up to get involved in the conversation. It's quick and easy.