过氧化氢中主要成分含量检测方案

Kyoto Electronics Manufacturing Co.， Ltd. No.ETIQ-13823上海市中山西路2366弄1号203室网址： http：//www.kem-china.com KEM Application Note No.ETIQ-13823Oxidation-Reduction Titration Data No. NN22-13823 Concentration of of 31% Hydrogen peroxide(H202) -Summary- Checked thepossibility ofm emaesausruirnign gquantitative determination of Hydrogenperoxide with AT-510， and good repeatability was obtained. -Measuring instrument- Main unit： AT-510 Automatic potentiometric titrator Detector： STD-510 Standard preamplifier C-272 Combination Pt electrode -Reagent- Titrant： 0.02mol/L-Potassium permanganate solution (0.1N) Solvent： water Additive： Diluted Sulfuric acid -Measurement method- Preparation： (1) Dilute 100mL Sulfuric acid with 400mL water to prepare dilute Sulfuric acid. Measurement： (1) Place 0.1mL sample in 100mL beaker and add 50mL water. (2) Add 25mL the dilute Sulfuric acid. (3) Titrate with 0.02mol/L-Potassium permanganate solution. (EP is detected from the inflection point on the titration curve.) -Equation- Concentration (%)：EP1xTFxC1xK1/SIZE EP1： Volume at EP (mL) TF： Factor of titrant (1.0523) C1： Conc. conversion coefficient (17.007) K1： Unit conversion coefficient (0.01) SIZE： Sample size (g) -Ambient conditions- Temperature： 28°℃ R. Humidity： 61 % Weather： Fine 京都电子工业株式会社-可睦电子(上海)商贸有限公司 上海市中山西路2366弄1号203室 -Measurement parameter- -Titration curve- Method 19 IIntermit Titr.1 Form EP Stop APB No. 1 Unit No. 1 Detector No. 1 Unit mV Max.Volume 40 mL W.Time 10 s Direction Auto [DOSEPARA1 Mode Volume StopAPB No. 1Unit No. 1 Volume 15 mL Cut-off Time 0s Dispense Speed2s/mL Wait Time 0 s [CTRL. PAR A] Form [EP Stop] End Point No. 1 End Sense Auto End Point Area OffSeparation OffOver Titr. Vol. 0.0mLCut-Off Time 0sDispense Speed 100s/mL Gain 1 Data Samp. Pot. 4.0mVData Samp. Vol. 0.5mL Method 19 lIntermit Titr.I Sauple No. ： 01-03 (#)Date ： 2013/08/23 15153Saple ID1 MethodNo.： 19eshodd NatelH202Dose ReagentNamel Tisr.Reagent Hamel Titr.Time：00108115 Size ： 0.1126g Canc-1 31.002X End Point-1Uolume 19.5059mLPotential 845.6mU550 [mV1 1850 32.000 [CALC.PARA1 Sample Measurement Calc. Type SampleConc.1 Set CO1=EP1*TF*C1*K1/SIZE Unit % EP No. 1 Conc.2 Off Conc. 3 OffConc. 4 Off Conc. 5 Off Temp. Comp. Off [Constant] C1(mg/mL) 17.007 K1 0.01 -Measurement results- Run Sample size(g) Titer(mL) Concentration(%) 1234 0.11260.11300.1070 0.1103 19.505919.576318.577219.1293 31.00231.00431.07231.038 Statistics MeanSDRSD 31.029% 0.0331% 0.1066%