title: Spectrophotometric determination of vanadium and its application to gas-turbine fuel-oils.
abstract: A very sensitive spectrophotometric method for the determination of vanadium in furnace oils is described. The intense indigo-blue colour developed by the reaction of vanadium with tannin and thioglycollic acid is measured at a wavelength of 600 nm at pH 4 and obeys Beer's law between 0.5 and 5 ppm vanadium. The method is applicable to gas-turbine fuel-oil and special navy fuel-oils. The common mineral constituents usually present in such oils do not interfere.
authors.affiliation: Research and Control Laboratory, Durgapur Steel Plant, Durgapur-3, West Bengal, India.
authors.forename: S
authors.initials: S
authors.lastname: Banerjee
authors.forename: B P
authors.initials: BP
authors.lastname: Sinha
authors.forename: R K
authors.initials: RK
authors.lastname: Dutta