全自动密度计测定乙醇的密度和酒精度

DataNo.RL09-06083电话：021-54488867 电邮： kemu-kem@163.com网址： http：//www.kyoto-kem.net.cn KEM Application Note No.DAZ-06101Density Measurement Kyoto Electronics Manufacturing Co.， Ltd. High grade ethanol -Measuring instrument- Main unit： DA-510 Density meter Option： Auto sampler CHD-500N 令 Connecting kit#434-0101 .Solvent- Rinse-1： water Rinse-2： acetone -Summary- Checked reproducibility of density measurement of high grade ethanol by DA-510+CHD-500N，and obtained good standard deviation of 0.00001g/cm(n=12). -Measurement method- 1. Measurement temperature was set to 20℃. 2. Calibration was performed with air and water. 3. The samples were put in vials and placed on the sampler rack. 4. Press [Meas.]key for measurement of density of the sample liquid. -Concentration conversion， temperature compensation formula- International alcohol table (OIML) is used for alcohol concentration conversion. -Ambient condition- Ambient： 22℃ Humidity： 50 % Weather： Fine -Literature- -Measurement parameter- -Measurement data- Method No. ： 0 Method Name ： EtOH 100 Temperature . 20.00℃ Stability ： 1 Limit Time 0 s Sequence On Sampling Seq.： Auto Samp. Limit ： 0 sec O.S. Rate ： 70 % Drain Seq. Auto Drain Rate 200 % Rinse-1 Seq. ： Set Rinse-1 Time ： 10 s Rinse-2 Seq. ： Set Rinse-2 Time ： 10s Purge Seq. Auto Cell Test Off Calib. Air&Water Sample No. 01-01 Meas. Temp.： 20.00℃ Period T 1047828 d [g/cm3] 0.78967 Alcohol 99.92% -Measurement results-一 Run D(g/cm) Conc.(%) Run D (g/cm) Conc.(%) 23456 0.789670.789670.789680.789680.789680.78968 99.9299.9299.9299.9299.9299.92 789101112 0.789680.789680.789680.789680.789690.78968 99.9299.9299.9299.9299.9199.92 Statistics Density(g/cm) Conc.(%) MeanSDRSD 0.789680.000010.00065 99.9200.00290.0100 ·Comment- None