S. C. Rajan

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The most popular and widely applied method for determination of arsenic in ore concentrates is by spectrophotometry of arsenomolybdic acid reduced to molybdenum blue. While applying this method, several authors have developed procedures which varied in the decomposition, separation of arsenic and in the final colour development. Data regarding interference(More)
Principles and visions for a new globalism 4. Visions of Regional Economies in a Great Transition World (Rosen and Schweickart) Reinventing economies for the twenty-first century 5. Transforming the Corporation (White) Redesigning the corporation for social purpose 6. Trading into the Future: Rounding the Corner to Sustainable Development (Halle)(More)
Higher order panel methods are used to solve the Laplace equation in the presence of complex geometries. These methods are useful when globally accurate velocity or potential fields are desired as in the case of vortex based fluid flow solvers. This paper develops a fast multipole algorithm to compute velocity fields due to higher order, two-dimensional(More)
The bromo-complex of thallium(III) is extracted into di-isopropyl ether and reductively stripped into sodium sulphite solution, which is then analysed for thallium by atomic-absorption spectrophotometry. Thallium in zinc and cadmium metals and process solutions can be determined by this method.