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Optimization of the time the chromatograph thermostats exit to a given temperature
https://doi.org/10.32446/0368-1025it.2020-6-40-45
Abstract
The problems of ensuring the stability of the temperature of the chromatographic experiment carried out using a serial gas chromatograph LGH-3000 are considered. Limiting the permissible heating rate of the chromatograph thermostats does not allow a quick transition to the new conditions of the chromatographic experiment in accordance with the requirements of the technical conditions. The processes of heating and cooling the thermostat are analyzed. It is shown that the ratio of the duration of the interval equal to the sum of the durations of the heating and cooling intervals to the duration of the heating interval is inversely proportional to the temperature of the chromatographic experiment. Based on this situation, an empirical algorithm is proposed for heating the thermostat to a given temperature, which made it possible to reduce the time it takes to reach a given temperature in the entire range of operating temperatures.
About the Authors
N. O. Vzduleva
Izhevsk electromechanical plant Kupol, JSC
Russian Federation
Russian Federation
Nadezhda O. Vzduleva
Izhevsk
V. B. Gitlin
Kalashnikov Izhevsk State Technical University
Russian Federation
Russian Federation
Valery B. Gitlin
Izhevsk
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Review
For citations:
Vzduleva N.O., Gitlin V.B. Optimization of the time the chromatograph thermostats exit to a given temperature. Izmeritel`naya Tekhnika. 2020;(6):40-45. (In Russ.) https://doi.org/10.32446/0368-1025it.2020-6-40-45
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