columbium


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  • noun

Words related to columbium

a former name for niobium

References in periodicals archive ?
Tantalum was first discovered as columbium in 1801 by Charles Harchert in Connecticut, USA, and later shown to be two elements - tantalum and niobium.
Between 1975 and 1978, copper and cobalt production had fallen by 25%, the production of tin and strategically important columbium and tantalum ran below capacity, and the mining of manganese stopped altogether due to collapsing transport systems and lack of supplies, parts, and technicians.
These declines dampened demand for bauxite and alumina used in aluminum production, and for ores of tantalum, zinc, columbium, and other metals used in steel alloying.
Product Segment - Molybdenum, Tungsten, Columbium, and
While binders such as molybdenum, columbium, and tantalum are used as replacements for cobalt, they are not considered as effective.
It was a throat-gimbaled engine, and it was the first engine to fly with columbium in the nozzle," said Clay Boyce, engineering manager of the Apollo Service Propulsion System (SPS) engine development.
Table 30: Historic Review of World Columbium (Niobium) Mine