问题描述：
英语翻译
A potentiometric titration for H2O2determination in the
presence of organic compounds
M.P.Gimeno,* M.C.Mayoral and J.M.Andres´
A new method for the quantitative analysis of hydrogen peroxide in the presence of organic substances is
described and discussed.The method is based on the potentiometric titration of hydrogen peroxide with
sodium hydrogen sulphite and has been successfully applied to the detection and quantification of the
remaining peroxide content in the oxidation of glycerol by H2O2.This method has been tested:the
linear range covered was between 17.750 and 0.079 mM.The standard deviation for the low range
studied (0.234–0.079 mM) was 0.001 mM,and the limit of quantification (LOQ) obtained for the
proposed method was 0.02 mM.The acidity of the peroxide solution showed no influence on the
developed method and was sufficient to prevent H2O2 decomposition,while neutral or alkaline pH
caused partial decomposition of H2O2.The metrology,including accuracy,precision or relative error and
reproducibility of the measurements,is discussed.
A potentiometric titration for H2O2determination in the
presence of organic compounds
M.P.Gimeno,* M.C.Mayoral and J.M.Andres´
A new method for the quantitative analysis of hydrogen peroxide in the presence of organic substances is
described and discussed.The method is based on the potentiometric titration of hydrogen peroxide with
sodium hydrogen sulphite and has been successfully applied to the detection and quantification of the
remaining peroxide content in the oxidation of glycerol by H2O2.This method has been tested:the
linear range covered was between 17.750 and 0.079 mM.The standard deviation for the low range
studied (0.234–0.079 mM) was 0.001 mM,and the limit of quantification (LOQ) obtained for the
proposed method was 0.02 mM.The acidity of the peroxide solution showed no influence on the
developed method and was sufficient to prevent H2O2 decomposition,while neutral or alkaline pH
caused partial decomposition of H2O2.The metrology,including accuracy,precision or relative error and
reproducibility of the measurements,is discussed.
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