High-resolution adiabatic scanning calorimeter for small samples

被引:11
|
作者
Schnelle, W
Gmelin, E
机构
[1] Max-Planck-Institut für Festkörperforschung, D-70569 Stuttgart
关键词
adiabatic scanning calorimetry; double calorimetry; high resolution calorimeter; small samples;
D O I
10.1016/0040-6031(94)02666-1
中图分类号
O414.1 [热力学];
学科分类号
摘要
An improved version of a low-temperature double calorimeter for the temperature range 20-320 K is presented. The temperature of the adiabatic shield is increased at a programmable rate, while the temperature differences to the samples are regulated to zero. Temperature control and data acquisition are achieved by software algorithms integrated in a single computer program. The apparatus yields a typical precision Delta C-p/C-p of 10(-3) with approximate to 50 data K-1.
引用
收藏
页码:27 / 32
页数:6
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