全自动密度计_测定异丙醇(IPA)的密度

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Data No.RR09-07098 KEM Application Note No.DAZ-07116Density Measurement Kyoto Electronics Manufacturing Co.， Ltd. Density of 2-propanol (IPA) -Measuring instrument- Main unit：DA-520 Density meter Option： Auto clean unit DCU-551N -Solvent- Rinse -1： water Rinse-2： acetone Rinse-2： acetone Summary- Checked reproducibility of density measurement of IPA DA-520+DCU-551N， and obtained goodstandard deviation of 0.00001g/cm°(n=5). -Measurement method- 1. Measurement temperature was set to 20°C. 2. Calibration was performed with air and water. 3. The samples were put in vials and covered with wrapping film till measurement started.4. Pressed [Meas.] key for measurement of density of the sample liquid. -Concentration conversion， temperature compensation formula- -Ambient condition- Ambient： 23.5℃ Humidity： 59% Weather： Fine -Literature- 上海旭风科学仪器有限公司 上海市闸北区万荣路388弄17号904室 200072 Http：//www. shxf17. com Method No. ： 0 Method Name ： IPA Temperature ： 20.00℃ Stability 1 Limit Time ： 600 s Sequence ： On Sampling Seq. ： Auto Samp. Limit 0 s O.S. Rate 150% 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 ***Result*** Sample No. 01-01 Meas. Temp.： 20.00 ℃ Period T ： 1035843d [g/cm3] 0.78512 Meas. Time：00：02：02 ***Result*** Sample No. 01-02 Meas. Temp. ： 20.00℃ Period T 1035838d [g/cm3] ： 0.78510 Meas. Time ： 00：01：51 ***Result*** Sample No. 01-03 Meas. Temp.： 20.00℃ Period T 1035839 d [g/cm3] 0.78510 Meas. Time ：00：02：04 -Measurement results- Run Data (g/cm 1 0.78512 2 0.78510 3 0.78510 45 0.78511 0.78512 Statistics Density Mean (g/cm)SD (g/cm)RSD (%) 0.785110.00001 0.00127 -Comment- Attention must be paid to evaporation of IPA. Tel： Fax： 周峰 zhou-fengcom