石油、能源中黏度检测方案(粘度计)

智能文字提取功能测试中

京都電子工業株式会社KYOTO ELECTRONICSAPVS-0107enMANUFACTURING CO.，LTD. APVS-0107en6. Procedure Application Note Concentration dependence of viscosity of alcohol aqueous solution IndustryEnergy， PetroleumInstrumentViscometerMeasurement method：Electro Magnetically Spinning MethodStandards 1. Scope Alcohol is used not only as raw materials， fuels and disinfectants for the chemical industryusing solvent but also for foods and cosmetics. Examples of measuring the concentration dependence of the dynamic viscosity of alcoholaqueous solutions using an EMS viscometer that can be measured by sealing， sterilization andnon-contact were shown below. 2. Precautions None. 3.Post-measurement procedure The sample container and the sample are discarded appropriately. 4. Apparatus EMS Viscometer Control Laptop PC Dry Air Unit Compressor 5. Reagents · Sample ： Methanol， ethanol， 2-propanol， deionized water(dilution solvent) 京都电子工业株式会社-可可电子(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 1) Enter the following conditions in measurement condition of the sequence mode of controlsoftware. Measurement mode ：Repeat mode Measurement temperature ：20℃ Motor rotation speed ：1，000 rpm Measurement time ：I (1 second) Repeat count ：10 times Measurement interval ：30 seconds 2) Place an aluminum spherical probe of p 2 mm and a the sample in the solid state to a container，cover with a cap and packing， set the sample container in the EMS Viscometer， and click themeasurement button after controlling the temperature for 5 minutes 3) Take out the sample container at each measurement and stir the sample with shaking by the hand. 4) Add the dilution solvent to the sample after 10 times measurement， and measure under the samecondition. 7.Example The measurement results about the concentration dependence of viscosity of alcohol aqueoussolution are shown in Figure 1 and Table 1-3. And the graph which compares measurement results of methanol and ethanol with the reference. data respectively are shown in Figure 2 and 3. The results of all three samples show the characteristic concentration dependence with the peakaround 40%. And， in both methanol and ethanol， it is possible to obtain the measured viscosityvalue close to the reference data. Figure 1. Measurement result about concentration dependence of viscosityof each alcohol aqueous solution Figure 2. Measurement result about concentration dependenceof methanol aqueous solution (compared with reference data) Figure 3. Measurement result about concentration dependenceof ethanol aqueous solution (compared with reference data) Table 1.Measurement result about concentration dependence of methanol Methanol Concentration (%) 0 10 20 30 40 50 60 70 80 90 100 1 1.10 1.32 1.63 1.74 1.83 1.80 1.58 1.32 1.07 0.82 0.51 2 1.03 1.31 1.75 1.75 1.84 1.71 1.65 1.34 1.09 0.91 0.52 3 1.20 1.42 1.79 1.76 1.82 1.85 1.56 1.36 1.13 0.88 0.52 4 1.07 1.39 1.64 1.82 1.86 1.80 1.70 1.38 1.18 0.87 0.52 5 1.10 1.42 1.66 1.79 1.88 1.73 1.58 1.36 1.12 0.82 0.56 6 1.21 1.33 1.66 1.78 1.94 1.66 1.57 1.37 1.09 0.91 0.57 7 1.14 1.37 1.64 1.76 1.88 1.80 1.58 1.35 1.11 0.88 0.55 8 1.20 1.33 1.66 1.81 1.85 1.70 1.70 1.35 1.13 0.85 0.54 9 1.21 1.33 1.66 1.81 1.87 1.73 1.69 1.37 1.15 0.84 0.58 10 1.15 1.50 1.68 1.74 1.94 1.74 1.63 1.34 1.15 0.87 0.57 Mean 1.14 1.37 1.68 1.78 1.87 1.75 1.62 1.35 1.12 0.87 0.54 Standard deviation 0.06 0.06 0.05 0.03 0.04 0.06 0.06 0.02 0.03 0.03 0.03 RSD(%) 5.64 4.42 3.09 1.70 2.22 3.33 3.52 1.31 2.96 3.75 4.68 Table 2. Measurement result about concentration dependence of ethanol(mPa's) Ethanol Concentration (%) 0 10 20 30 40 50 60 70 80 90 100 1 1.10 1.57 2.18 2.56 2.90 2.69 2.54 2.18 2.03 1.59 1.18 2 1.03 1.55 2.11 2.53 2.81 2.75 2.49 2.23 1.97 1.56 1.16 3 1.20 1.58 2.15 2.67 2.74 2.63 2.54 2.21 2.01 1.54 1.22 4 1.07 1.48 2.06 2.58 2.70 2.71 2.64 2.16 2.09 1.54 1.21 5 1.10 1.54 2.12 2.60 2.96 2.61 2.48 2.24 1.90 1.58 1.13 6 1.21 1.61 2.22 2.58 2.87 2.63 2.49 2.16 1.96 1.57 1.13 7 1.14 1.53 2.26 2.63 2.91 2.60 2.53 2.17 1.89 1.66 1.14 8 1.20 1.50 2.30 2.67 2.79 2.65 2.57 2.18 1.89 1.53 1.17 9 1.21 1.55 2.30 2.49 2.79 2.79 2.48 2.18 1.95 1.55 1.15 10 1.15 1.57 2.20 2.59 2.88 2.71 2.47 2.21 1.95 1.65 1.13 Mean 1.14 1.55 2.19 2.59 2.84 2.68 2.52 2.19 1.96 1.58 1.17 Standard deviation 0.06 0.04 0.08 0.06 0.08 0.06 0.05 0.03 0.03 0.05 0.03 RSD (%) 5.64 2.47 3.73 2.20 2.90 2.36 2.10 1.30 3.30 2.87 2.92 Table 3. Measurement result about concentration dependence of 2-propanol (mPa·s) 2-propanol Concentration (%) 0 10 20 30 40 50 60 70 80 90 100 1 1.10 1.63 2.43 3.22 3.44 3.55 3.84 3.18 2.98 2.45 2.25 2 1.03 1.75 2.47 3.03 3.68 3.51 3.78 3.24 2.97 2.53 2.24 3 1.20 1.66 2.43 3.21 3.65 3.53 3.69 3.19 2.92 2.46 2.23 4 1.07 1.68 2.45 3.21 3.59 3.58 3.56 3.22 3.04 2.42 2.29 5 1.10 1.74 2.44 3.21 3.64 3.57 3.89 3.24 2.93 2.39 2.29 6 1.21 1.71 2.48 3.11 3.47 3.57 3.62 3.20 2.82 2.43 2.29 7 1.14 1.74 2.43 3.16 3.53 3.73 3.62 3.27 2.82 2.38 2.29 8 1.20 1.63 2.48 3.04 3.53 3.65 3.52 3.19 2.97 2.45 2.25 9 1.21 1.62 2.49 3.02 3.42 3.51 3.84 3.23 2.86 2.38 2.24 10 1.15 1.68 2.50 3.24 3.47 3.57 3.63 3.33 2.92 2.37 2.23 Mean 1.14 1.68 2.46 3.15 3.54 3.58 3.70 3.23 2.92 2.43 2.26 Standard deviation 0.06 0.05 0.03 0.09 0.09 0.07 0.13 0.05 0.07 0.05 0.03 RSD (%) 5.64 2.93 1.10 2.45 2.64 1.88 3.51 1.40 2.46 2.03 1.18 8. Summary For EMS viscometer， since it can be measured in sealed state， the viscosity of volatile samplesuch as alcohol aqueous solution can be stably measured without concentration change of thesample. 9. References Chemical Handbook (Revision the fifth edition) Basic course II-49 [Table 7.22 Temperature 0 dependence of viscosity coefficient n of ethanol aqueous solution] [Table 7.23 Temperature 0 dependence of viscosity coefficient n of methanol aqueous solution] 都電子工業株式会社KYOTO ELECTRONICSMANUFACTURING CO.，LTD 乙醇水溶液在不同浓度下黏度变化的研究 酒精不仅作为化工原料、燃料和消毒剂的溶剂，而且还可用在食品和化妆品上。使用EMS粘度计测量酒精水溶液在不同浓度下的黏度变化，此粘度计可以通过密封、灭菌和非接触式的测量。对于EMS粘度计来说，由于它可以在密封状态下测量，所以可以在不改变样品浓度的情况下稳定地测量乙醇水溶液等挥发性样品的粘度。