A specific method for the determination of trace amounts of titanium |
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| Affiliation: | 1. Research and Development Centre, Bharathiar University, Coimbatore 641 014, Tamilnadu, India;2. Electrochemistry Research Group, Department of Chemistry, St. Joseph''s College, Lalbagh Road, Bangalore 560 027, Karnataka, India;3. Analytical Chemistry Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400 094, Maharashtra, India;4. Laboratoire de Chimie et d''Electrochimie des Surface, University of Namur, 61 Rue de Bruxelles, B-5000 Namur, Belgium;5. Soft Condensed Matter, Raman Research Institute, Sadashivanagar, Bangalore 560 080, Karnataka, India |
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| Abstract: | A method is presented which is specific for the determination of trace amounts of titanium. Titanium is precipitated with cupferron using zirconium as a collector. Further separation from interfering elements is made by anion exchange and precipitation with sodium hydroxide using iron as a collector. The determination is completed colorimetrically after extraction of the titanium-thiocyanate complex with a solution of tri-n-octylphosphine oxide in cyclohexane. The method is accurate to within ±5% (relative) or ±0.75 μg of titanium, whichever is greater. |
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