方案详情文
智能文字提取功能测试中
蚝油中总酸含量的测定 应用资料根据酸碱中和原理,用氢氧化钠标准滴定溶液滴定试液中的酸,中和试样溶液至pH为8.2时,确定为滴定终点。按碱液的消耗量计算食品中的总酸含量。TIG-01017enL电话:021-54488867 电邮: kemu-kem@163.com网址: http://www.kem-china.com-K-MKYOTO ELECTRONICSMANUFACTURING CO.,LTD. Application Memo Acidity of Oyster Sauce Industry Food & beverage Instrument Automatic potentiometric titrator Measurement method Acid base titration Standards GB 12456,GB/T 5009.39,GB/T21999 1.Overview Acetic acid concentration as acidity of the diluted sample is measured by titration with0.1mol/L sodium hydroxide up to pH8.2. The acetic acid concentration is calculated from thetitration volume of the sodium hydroxide. 2. Apparatus Main unitAutomatic potentiometric titrator (preamplifier STD) Electrode Combined glass electrode Temperature compensation electrode 3. Reagents Titrant 0.lmo1/L sodium hydroxide 4. Example -Measurement results- Sample Titer Concentration (g) (mL) (mg/g) 1 1.0065 0.9866 5.934 2 1.0088 0.9934 5.962 3 1.0057 0.9874 5.944 Average 5.947 SD 0.014 RSD(%) 0.23 -Titration curve- Please feel free to contact us for any further information.
产品配置单
可睦电子(上海)商贸有限公司-日本京都电子(KEM)为您提供《蚝油中总酸检测方案(自动电位滴定)》,该方案主要用于半固态复合调味料中理化分析检测,参考标准《暂无》,《蚝油中总酸检测方案(自动电位滴定)》用到的仪器有AT-710B简易实用型自动电位滴定仪、AT-710S豪华型自动电位滴定仪。
我要纠错相关方案