硫酸铁(Ⅱ)铵浓度的测定 应用资料
检测0.1mol/L硫酸铁(Ⅱ)铵溶液的浓度。在稀释的样品中加入浓硫酸并冷却后,用0.02mol/L高锰酸钾溶液进行滴定。终点是滴定曲线上的最大拐点。硫酸铁(Ⅱ)铵的浓度由高锰酸钾溶液的滴定体积计算得出。
硫酸铁(Ⅱ)铵浓度的测定 应用资料检测0.1mol/L硫酸铁(Ⅱ)铵溶液的浓度。在稀释的样品中加入浓硫酸并冷却后,用0.02mol/L高锰酸钾溶液进行滴定。终点是滴定曲线上的最大拐点。硫酸铁(Ⅱ)铵的浓度由高锰酸钾溶液的滴定体积计算得出。KM KYOTO ELECTRONICSMANUFACTURING CO.,LTD.TIZ-99075enL Application Memo Determination of Ammonium Iron Sulfate( ii ) Concentration Industry Inorganic chemical industry Instrument Automatic potentiometric titrator Measurement methodRedox t i tration StandardsGB/T 601 1.Overview The concentration of 0.1mol /L ammonium i ron sul f ate (ii) solution i s examined. After adding concentrated sul f uric acid to the diluted sample and cooling, i t is titrated with 0.02mol/L potassium permanganate solution. The endpoint i s the maximum inflexion on the titration curve. The ammonium iron sulfate (ii ) concentration is calculated from the titration volume of the potassium permanganate solution. 2. Apparatus Main unit Automatic potentiometric t itrator (preamplifier STD) Electrode Platinum electrode Ceramic reference electrode 3. Reagents Titrant 0.02mol/L potassium permanganate solution Addit i ve Concentrated sulfuric acid 4. Example Sample Titer Concentration(mL) (mL) (mol/L) 12 8.9112 0.0896 10 8.9261 0.0898 3 8.9249 0.0897 Average 0.0897 SD 0.0001 RSD(%) 0.1 -Titration curve- Please feel free to contact us for any further i nformation. Kyoto Electronics Manufacturing Co., Ltd. Overseas Sales & Market i ng Sect. 京都电子工业株式会社-可睦电子(上海)商贸有限公司 上海市徐汇区宜山路333号1201室 电话: 021-54488867 电邮: kemu-kem@163.com网址: http://www.kem-china.com
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