A highly sensitive spectrophotometric method for the determination of siliconwas developed.In the presence of aliphatic alcohol ethoxyehther（AEO-9）,theoptimum condition for quantitative formation of the ion-associat...A highly sensitive spectrophotometric method for the determination of siliconwas developed.In the presence of aliphatic alcohol ethoxyehther（AEO-9）,theoptimum condition for quantitative formation of the ion-association complexof siliconvanadomolybdate blue-Rhodamine 6G in aqueous phase was investigated,The maximum absorption wavelength of the complex was 556 nm.The apparentmolar absorptivity was 2.07×10<sup>5</sup> 1 mol<sup>-1</sup> cm<sup>-1</sup> at 556 nm and Beer’s law wasobeyed in the solution of silicon with concentrations from O to 2.0μg/25ml,This method has been applied to the determination of the amounts of trace siliconin different water samples with satisfactory results.展开更多
文摘A highly sensitive spectrophotometric method for the determination of siliconwas developed.In the presence of aliphatic alcohol ethoxyehther（AEO-9）,theoptimum condition for quantitative formation of the ion-association complexof siliconvanadomolybdate blue-Rhodamine 6G in aqueous phase was investigated,The maximum absorption wavelength of the complex was 556 nm.The apparentmolar absorptivity was 2.07×10<sup>5</sup> 1 mol<sup>-1</sup> cm<sup>-1</sup> at 556 nm and Beer’s law wasobeyed in the solution of silicon with concentrations from O to 2.0μg/25ml,This method has been applied to the determination of the amounts of trace siliconin different water samples with satisfactory results.
