carrier gas


Also found in: Medical.

carrier gas

[′kar·ē·ər ‚gas]
(analytical chemistry)
In gas chromatography, a gas used as an eluant for extracting the sample from the column as the gas passes through. Also known as eluant gas.
(metallurgy)
The gas used in thermal spraying which transmits powder from the feeder to the spray gun.
References in periodicals archive ?
If necessary, the additional heat required for the process can be obtained using the carrier gas to oxidize a certain amount of organic matter from the transported shale.
Typical applications include gas chromatography (GC) makeup gas and carrier gas, ECD, differential scanning calorimeter (DSC), and any other type of analytical instrumentation requiring a small flow of ultra-high purity zero nitrogen.
He said the fire occurred in the secondary lines of crude oil from the North Oil Company refineries to the north, in addition to targeting by an improvised explosive device carrier gas line connects the Baiji refinery to Haditha .
To transfer a liquid to a CVD or ALD reaction chamber, a carrier gas (usually [H.
Measurement--Evaluate sampling techniques for shale gas supplies; develop meter station design procedures that minimize flow-induced pulsations that can adversely affect measurement performance; evaluate ultrasonic gas meter performance during transient conditions when pipeline liquids are present; evaluate performance of new-generation ultrasonic gas meters in compact installations as an alternative to turbine meters; assist in development of a miniaturized gas quality sensor that significantly reduces carrier gas and sample gas requirements.
Meanwhile another LPG carrier Gas Elixir also arrived at outer anchorage of Port Qasim (PQ) during the same period.
The RHS adds controlled amounts of pure water vapor directly into any carrier gas stream.
The purpose of the carrier gas (or purging gas or sweep gas) is to remove the volatiles from the pyrolysis environment during the biomass pyrolysis process.
Helium and argon may be used as the carrier gas in the three carrier gas feeds of the equipment, Precursors are vaporized in preheated carrier gas prior to the deposition.
In this research, the effect of main operational parameters, namely, precursor decomposition temperature, bubbler temperature, feed flow rate, carrier gas flow rate and pressure on the CVC method was investigated," Akram Tavakkoli, a member of scientific board of Sahand University of Technology, told INIC.
2] concentrations were quantified using a SRI 310 gas chromato-graph (GC) equipped with a thermal conductivity detector (TCD), a Po-rapak Q column (Agilent J&W), and helium as a carrier gas.
Reagent consumption reduces as the titrant has to be exchanged less often and water release from the sample improves as the carrier gas does not just pass over the sample but directly through it.

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