carrier gas

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 ?
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.
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.
The DVS Intrinsic rapidly measures uptake and loss of moisture in the sample by a controlled flowing carrier gas at a specified relative humidity over a sample suspended from the weighing mechanism of SMS's highly sensitive and stable digital microbalance (SMS UltraBalance).
* Direct burning of gas for heating up the heat carrier gas. As a result large volumes of low-calorific gas are produced
Permeation-tube moisture generators are used in industry as calibrated sources of water vapor and carrier gas mixtures.
In the PUCB process, depending on the catalyst, both the amine and carrier gas should be heated to a recommended temperature level of approximately 150F.
Rechargeable and field-replaceable batteries and a refillable carrier gas cylinder, allow up to eight hours of independent on-site or field use, or the option to operate from external AC or DC sources.
Container Vessel MSC Algeciras and Chemicals carrier Gas Ethereal are expected to sail on Thursday afternoon.
Helium is an excellent contender for carrier gas but increasing prices and supply shortage are raising concerns among scientists as well as sourcing communities.
It scrubs ambient air to use as the carrier gas. The display screen provides a chromatogram of VOC identification and concentration in ppb of analyte.
Central to aePlasma is a plasma jet generator, which draws a precursor-containing gas that is mixed with a nitric acid solution carried by a carrier gas. This is passed between a pair of high-voltage, high-frequency cylindrical electrodes, one wrapping around the other.

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