Abstract：The present paper reported a spectrophotometry for the determination of hydrogen peroxide concentration. It is based on the reaction between ceric sulfate and hydrogen peroxide in an acidic medium, in which orange tetravalent cerium is converted to colorless trivalent cerium that causeds the change in absorbance. According to the quantitative relationship between ceric sulfate and hydrogen peroxide, the hydrogen peroxide concentration can be calculated. The selected conditions were as follows: detection wavelength of 480 nm, H2SO4 concentration of 0.5 mol·L-1, and reaction time of 3.0 min. The results showed that the method has an excellent measurement precision (RSD=0.31%) and accuracy (RSD≤0.91%) for the quantification of hydrogen peroxide. The present method is simple and rapid, with high detection sensitivity and low cost. It is suitable for use in rapid industrial analyses.
张 倩，付时雨，李海龙*，詹怀宇 . 一种快速测定过氧化氢浓度的方法 [J]. 光谱学与光谱分析, 2014, 34(03): 767-770.
ZHANG Qian, FU Shi-yu, LI Hai-long*, ZHAN Huai-yu . A Rapid Method for the Determination of Hydrogen Peroxide Concentration. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2014, 34(03): 767-770.
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