RUFUTO-871介電常數(shù)測定儀特點
- 從純水到非極性有機溶劑的介電常數(shù)測定
- 量程：1～20; 1～200；度: ±2%
- 可以測定混合溶劑相，用于提高Zeta電位的計算精度
- 操作簡單，校正方便；開放式探頭結(jié)構(gòu)，容易清洗
- 用純水或已知介電常數(shù)的液體進行校正
RUFUTO-871介電常數(shù)測定儀參數(shù)
| Pure liquid | ||||
| Material | Measured Dielectric Constant | Temperature | Published1 Dielectric Constant | Difference2 [%] |
| Cyclohexane | 2.04 | 25.0 | 2.016 | 1.19 |
| Toluene | 2.37 | 24.5 | 2.375 | -0.21 |
| Ethanol | 25.1 | 25.1 | 25.1 | 0.00 |
| Methanol | 32.9 | 24.0 | 32.77 | 0.40 |
| Distilled- Water | 79.2 | 24.2 | 78.64 | 0.71 |
| 78.3 | 24.2 | 78.64 | -0.43 | |
| 80.3 | 21.7 | 79.54 | 0.96 | |
| Mixtures | ||||
| Methanol+ Water (1:1) | 61.5 | 25.0 | N/A | ??? |
1. CRC Handbook of Chemistry and Physics
2. %Difference＝×100
