Thermometric determination and analytical application of the landolt effect
Analytica Chimica Acta(1976)
摘要
The thermometric determination of the Landolt effect applied to the hydrogen peroxide—iodide—ascorbic acid reaction is described. The appropriate kinetic equations are used to interpret the thermometric curve and the calibration curve of the indicator reaction catalysed by molybdenum. The effects of the iodide, hydrogen peroxide, and hydrogen ion concentrations on the shape of the thermometric curves are discussed. This thermometric method can be used to determine micro amounts of iron, zirconium, thorium, vanadium, molybdenum and tungsten, with satisfactory accuracy and precision.
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