High-sensitive heat-flow calorimetry

被引：16

作者：

Marison, I

Linder, M

Schenker, B ^{[1
]}

机构：

[1] ETH Zurich, Tech Chem Lab, CH-8092 Zurich, Switzerland

[2] Ecole Polytech Fed Lausanne, Inst Genie Chim, CH-1015 Lausanne, Switzerland

[3] Mettler Toledo Analyt, CH-8603 Schwerzenbach, Switzerland

来源：

THERMOCHIMICA ACTA | 1998年 / 310卷 / 1-2期

关键词：

biological heat production; fermentation; heat-flow calorimeter; high-sensitive calorimetry; reaction calorimeter;

D O I：

10.1016/S0040-6031(97)00383-3

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Heat production rates of chemical reactions or of biological cultures are a valuable signal, able to provide crucial information about the system under investigation. Commercially available bench-scale calorimeters reach a sensitivity of approximate to 100 mW/l. This sensitivity is usually sufficient for investigations in the field of reaction engineering or for safety studies, For the investigation of processes that exhibit only small exothermic or endothermic effects on the observation of the growth of biological material, the sensitivity of the calorimeter needs to be improved. This paper describes the modifications undertaken to reach a sensitivity of a few milliwatts per Liter with an RCl from Mettler-Toledo. (C) 1998 Elsevier Science B.V.

引用

页码：43 / 46

页数：4