OPTIMIZATION OF PARAMETERS FOR THE SYNTHESIS OF SILVER IODATE SUBMICRON BELTS BY TAGUCHI ROBUST DESIGN METHOD

ISSN： 0098-6445

Source： Chemical Engineering Communications, Vol.198, Iss.10, 2011-10, pp. : 1182-1188

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Abstract

A statistical experimental design method was implemented to optimize experimental conditions for the preparation of silver iodate fine belts using precipitation method. Ultrafine silver iodate belts were synthesized by addition of silver ion solution to the iodate reagent. The optimal conditions were determined using the Taguchi method. The effect of reaction conditions such as silver and iodate concentrations, flow rate of reagent addition, and temperature on the diameter of synthesized silver iodate belts were investigated. The results for analysis of variance (ANOVA) showed that silver iodate submicron belts can be synthesized by controlling silver concentration, flow rate, and temperature. Finally, the optimum conditions for synthesis of silver iodate submicron belts by this simple and fast method were proposed. The results of ANOVA showed that 0.001 mol/L silver ion concentration, 10 mL/min flow rate for addition of iodate reagent to the solution, and 0°C temperature are optimum conditions for producing silver iodate submicron belts with 228 ± 32 nm width.