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乳酸的浓度测定 应用资料用0.1mol/L氢氧化钠滴定2w/w%-乳酸溶液的样品至pH8.2,酚酞改变其颜色。将滴定体积转换为乳酸以确定浓度。TIZ-99256enLIKYOTO ELECTRONICSMANUFACTURING CO.,LTD. Application MemoConcentration of Lactic Acid 1.Overview Titrated the sample of 2w/w%-lactic acid solution with 0.1mol/L sodium hydroxide up topH8.2 where phenolphthalein changes its color. The titration volume was converted to lacticacid to determine concentration. 2. Apparatus Main unit Automatic potentiometric titrator (preamplifier STD) Electrode Combined glass electrodeTemperature compensation electrode 3. Reagents Titrant 0.1mol/L sodium hydroxide 4. Example Sample size(g) Titer (mL) Concentration(w/w%) 1 2 3 2.182 2.223 2.236 4.0406 4.1496 4.1499 1.612 1.625 1.616 AverageSD RSD(%) 1.617 0.007 0.4 -Titration curve一 Please feel free to contact us for any further information.
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可睦电子(上海)商贸有限公司-日本京都电子(KEM)为您提供《乳酸中浓度检测方案(自动电位滴定)》,该方案主要用于基础有机原料中含量分析检测,参考标准《暂无》,《乳酸中浓度检测方案(自动电位滴定)》用到的仪器有AT-710S豪华型自动电位滴定仪、AT-710M四通道旗舰型自动电位滴定仪。
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