A Combination Isothermal-adiabatic Low-temperature Calorimeter |
Contents
Abstract | 1 |
Description of Lead Wires and Heaters | 8 |
Calibration of the Standard Thermocouples | 15 |
Copyright | |
1 other sections not shown
Common terms and phrases
adiabatic determinations adiabatic shield adjusted apparatus approximately auxiliary shield benzoic acid bottom brought calculated calibration calorimeter cells Chem circuit comparison constant constructed container copper copper sheath correction course covered cryostat curve described difference differential thermocouple electromotive force energy energy input Figure Figure 9 G. E. adhesive galvanometer give given heat capacity heater held hole inside ISOTHERMAL DETERMINATIONS joint junction latter lead wire block Leeds and Northrup length low temperature lower lower tank lucite plug manner measurements method microvolt milliamperes moles monel tube nylon observed obtained ohms operator ORNL-LR-DWG period placed platinum resistance thermometer portion possible potential presented refrigeration tank resistance thermometer resistance thermometer-heater resistor respectively sets shield heaters shown side slots smooth soldered solution standard thermocouples switch Table tapered temperature drift temperature range thermal contact thread tions transfer upper tank vacuum wound