METHOD FOR ANALYSING HYDROCARBONS
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United States of America Patent
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Issued Date -
Dec 24, 2020
app pub date -
Feb 15, 2019
filing date -
Feb 19, 2018
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Abstract
The invention relates to a method for analysing hydrocarbons, comprising:
- the implementation of a gas chromatography separation according to a first controlled temperature profile, to separate a sample into a plurality of analytes;the detection of at least one of said analytes by measurement of a variation of the resonance frequency of at least one resonator of nano-electromechanical system (NEMS) type covered with a functional layer made to vibrate at the resonance frequency thereof, under the effect of an adsorption or desorption of the analyte by the functional layer,said method being characterised in that the resonator is subjected to a second controlled temperature profile, lower than the first profile.
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