chromatography must be very carefully monitored so that the peaks are sharp and the analytes of interest are well resolved from other components. 15.4 Stability of Reagents and Samples 15.4.1 Stock solutions are stable for at least six months if stored at –20 °C.
RÉFÉRENCES 17.1 White, E., Uhrig, M., Johnson, T., Gordon, B., Hicks, R., Borgerding, M., Coleman, W. et Elder, J. Quantitative Determination of Selected Compounds in a Kentucky 1R4F Reference Cigarette Smoke by Multidimensional Gas Chromatography and Selected Ion Monitoring - Mass Spectrometry, Journal of Chromatographic Science, 26, 1990, p.