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US 11,029,292 B2Granted
Method for identification and quantification of siloxanes in gaseous stream
AssigneeMls Acq, Inc.
InventorsMartin L. Spartz, Charles Mark Phillips, Peter P. Behnke, Anthony S. Bonanno
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Abstract
A method and system for detecting siloxanes using thermal desorption tubes and FTIR spectrometers with intervening gas chromatography systems.
Claims16
A method for detecting siloxanes, the method comprising:
- collecting a sample in a thermal desorption tube;
- passing a purge gas through the thermal desorption tube prior to desorbing siloxanes;
- then raising the temperature of the thermal desorption tube desorbing the siloxanes from the thermal desorption tube;
- separating the siloxanes by gas chromatography in a column;
- and
- analyzing the siloxanes separated by gas chromatography with a Fourier Transform Infrared Spectrometry system.
3 more elements
A system for detecting siloxanes, the system comprising:
- a thermal desorption tube connected to a gas stream that contains siloxanes;
- a gas chromatography system for separating siloxanes desorbed from the thermal desorption tube;
- and
- a Fourier Transform infrared Spectrometry system for identifying and quantifying the siloxanes separated by the gas chromatography system;
- wherein a purge gas is passed through the thermal desorption tube prior to raising a temperature of the thermal desorption tube and desorbing the siloxanes.
2 more elements
Dependencies are inferred from the claim text.