Peter W. Carr, Larry D. Bowers

Research output: Contribution to conferencePaperpeer-review

1 Scopus citations


This paper is concerned with the reaction calorimetry as an analytical methodology. The applicability of such techniques as thermometric enthalpy titration (TET) and direct injection enthalpimetry (DIE) to clinical and biochemical problems has greatly enhanced this development. All of the above mentioned techniques most commonly utilize a thermistor as the temperature sensing element. Thermistors are among the most sensitive and simple temperature transducers available. The detection limit of these devices is controversial. The authors investigated the effects of various physical factors on the thermistor sensitivity. Although the precise measurement of noise is difficult, essentially noise free electronics with a well defined band width were used to qualitatively assess the effect of thermistor resistance, mode and rate of stirring, and the boundary between the thermistor and the solution as well as the importance of various noise sources. Since noise is a difficult quantity to measure, theprocedures necessary for consistent reporting of limits of detection were investigated. Parameters evaluated were total sampling time, the sampling rate, and the sampling interval.

Original languageEnglish (US)
Number of pages11
StatePublished - Jan 1 1974
Externally publishedYes
EventAm Chem Soc Symp on Anal Calorimetry, 3rd, Proc - Los Angeles, CA, USA
Duration: Mar 30 1974Apr 5 1974


OtherAm Chem Soc Symp on Anal Calorimetry, 3rd, Proc
CityLos Angeles, CA, USA


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