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No chto primechatel'no: pri odinakovyh usloviyah nekotorye iz nih davali zhelezo udivitel'noi kovkosti, v to vremya kak iz drugih poluchalsya bolee hrupkii metall. Posle mnogih bezuspeshnyh popytok naladit' process vyplavki vysokokachestvennogo metalla v 'plohih' domnah metallurgi obratilis' za pomosh'yu k himikam, i v 1830 g. Nil'su Sefstremu udalos' vydelit' iz shlaka 'luchshih' domen neizvestnyi chernyi poroshok. Sefstrem sdelal vyvod, chto izumitel'nuyu kovkost' metallu pridaet prisutstvie v rude kakogo-to neizvestnogo elementa, soderzhashegosya v chernom poroshke.
Etot novyi element Sefstrem nazval vanadiem v chest' legendarnoi Vanadis - bogini krasoty drevnih skandinavov. Otkrytie novogo elementa vsegda bylo bol'shoi chest'yu dlya uchenogo. Poetomu mozhno predstavit' sebe ogorchenie meksikanskogo mineraloga Andresa Manuelya del' Rio, kotoryi eshe v 1801 g.
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Kogda on vozobnovil rabotu, bylo uzhe pozdno - Sefstrem obnarodoval svoe otkrytie. Svoistva novogo elementa sovpadali s temi, chto byli zaneseny v odin iz laboratornyh zhurnalov Velera. I tol'ko v 1869 g., spustya 39 let posle otkrytiya Sefstrem a, element N 23 vpervye byl vydelen v otnositel'no chistom vide. Angliiskii himik G.Rosko, deistvuya vodorodom na hloristyi vanadii, poluchil elementarnyi vanadii chistotoi okolo 96%. V chistom vide vanadii - kovkii metall svetlo-serogo cveta.
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