点击图片查看原图
RUFUTO-871液体介电常数测定仪特点
从纯水到非极性有机溶剂的介电常数测定
量程：1～20;1～200；度:±2%
可以测定混合溶剂相，用于提高Zeta电位的计算精度
操作简单，校正方便；开放式探头结构，容易清洗
用纯水或已知介电常数的液体进行校正
参数
Pure liquid
Material Measured Dielectric Constant Temperature Published1 Dielectric Constant Difference2[%]
[?C]
Cyclohexane 2.04 25 2.016 1.19
Toluene 2.37 24.5 2.375-0.21
Ethanol 25.1 25.1 25.1 0
Methanol 32.9 24 32.77 0.4
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 N/A???
1.CRC Handbook of Chemistry and Physics
2.%Difference＝{(Measured－Published)／Published}×100
https://www.chem17.com/st341427/product_25893779.html
http://www.insearch-tech.cn/Products-25893779.html