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Niobium and Tantalum
January 2005 by Edgar B. Heylmun, PhD
Niobium (columbium) and tantalum are related metals that usually occur together and are associated with vanadium on the periodic chart of the elements. Both metals have seen increased usage in high-tech applications in recent years because of increased availability.Warning: mysqli_num_rows() expects parameter 1 to be mysqli_result, boolean given in /var/www/vhosts/icmj.com/httpdocs/magazine/article/index.php on line 254
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