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A simple and sensitive method for spectrophotometric determination of molybdenum(VI) has been proposed. The method is based on the formation of a coloured complex of Mo(VI) with bromopyrogallol red (BPR) in the presence of benzyldimethyldodecylammonium bromide (BDDA). Optimum pH and concentrations of BPR and BDDA ensuring maximum absorbance have been defined. The Mo-BPR-BDDA complex exhibited maximum...
Conditions of determination of molybdenum(VI) in soil samples using differential pulse adsorptive stripping voltarametry (DP-AdSV) at a hanging mercury drop electrode have been optimized. Molybdenum was extracted from soils with HC1 + HNO3. mixture (3:1).0.01 mol L-1HCI solution (pH = 3) with an addition of 0.00! mol L-1chloranilic acid (2.5-dichloro-3.6-dihydroxy-l,4-benzoquinone) and 0.01 mol L-1...
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