Spectrophotometric Determination of Uranium Using Tris-[2,4,6-(2-hydroxy-4-sulpho-1-naphthylazo)]-s-triazine, Trisodium Salt (THT)
Abstract:A sensitive and selective spectrophotometric method is proposed for the rapid determination of uranium using tris-[2,4,6-(2-hydroxy-4-sulpho-1-naphthylazo)]-s-triazine, trisodium salt (THT). An addition of dilute solution of uranyl ions to the aqueous solution of THT resulted to form a water soluble dark red colored complex absorbing maximum at 540 nm in the pH range 3.8-6.0. Beer's law is valid over concentration range 0.0-6.2 ppm with molar absorptivity and Sandell's sensitivity of 6.1x10 4 L mol-1 cm-1 and … Show more
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