Bag, S P Extraction of vanadium(V) chelates with N-benzohydroxamic acid (BHA) and ammonium thiocyanate and its application in steel and rock analyses. [electronic resource] - Talanta Jun 1982 - 526-8 p. digital Publication Type: Journal Article ISSN: 0039-9140 Standard No.: 10.1016/0039-9140(82)80209-9 doi