Low-power microwave plasma source for chromatography detection

Jansen, Gert; Huf, F.A.; Jong, H. J. De

doi:10.1016/0584-8547(85)80034-3

Cited by 23 publications

(3 citation statements)

References 13 publications

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“…MTD applicators first appeared as structures based on microwave coaxial line components (e.g. [25][26][27][28][29][30][31][32][33][34][35]). In these so-called coaxial-linebased MTDs the microwave plasma is induced in the form of a plasma 'flame' at the open end of a rigid coaxial line, at the tip of its inner conductor.…”

Section: Mtdsmentioning

confidence: 99%

Hazardous gas treatment using atmospheric pressure microwave discharges

Mizeraczyk¹,

Jasiński²,

Zakrzewski³

2005

Plasma Phys. Control. Fusion

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Atmospheric pressure microwave discharge methods and devices used for producing non-thermal plasmas for control of gaseous pollutants are described in this paper. The main part of the paper is concerned with microwave torch discharges (MTDs). Results of laboratory experiments on plasma abatement of several volatile organic compounds (VOCs) in their mixtures with either synthetic air or nitrogen in low (∼100 W) and moderate (200-400 W) microwave torch plasmas at atmospheric pressure are presented. Three types of MTD generators, i.e. low-power coaxial-line-based MTDs, moderate-power waveguide-based coaxial-line MTDs and moderate-power waveguide-based MTDs were used. The gas flow rate and microwave (2.45 GHz) power delivered to the discharge were in the range of 1-3 litre min −1 and 100-400 W, respectively. The concentrations of the processed gaseous pollutants were from several to several tens of per cent. The results showed that the MTD plasmas fully decomposed the VOCs at a relatively low energy cost. The energy efficiency of decomposition of several gaseous pollutants reached 1000 g (kW-h) −1 . This suggests that MTD plasmas can be useful tools for decomposition of highly concentrated VOCs.

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Section: Mtdsmentioning

confidence: 99%

Hazardous gas treatment using atmospheric pressure microwave discharges

Mizeraczyk¹,

Jasiński²,

Zakrzewski³

2005

Plasma Phys. Control. Fusion

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“…While most interest has formally been shown in sulfur speciation, analysis for trace elements has important implications for both processing and environmental Computer-generated element specific chromatographic reconstructions for the halogens, carbon, hydrogen, nitrogen, oxygen and sulfur were obtained from one injection. GC-MIP systems used are commonly run at powers of 50 watts and more,but Jansen et al described a non-confined 30 watt atmospheric pressure plasma, sustained in the 2-10 GHz frequency range [73], which overcame analyte reactions with tube walls and plasma extinction by excess sample.…”

Section: Analytical Gc Applicationsmentioning

confidence: 99%

Determination of trace elements by chromatographic methods employing atomic plasma emission spectroscopic detection

Uden

1994

Determination of Trace Elements

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“…Detection limits of nonmetals for GC effluents have been attained in the range of 1 to hundreds of pg s~^ (36)(37)(38)(39)(40)(41)(42)(43)(44)(45)(46)(47) as noted in Table I. Preliminary studies concerning detection of sample separated by GC and thin layer chromatography (TLC) with subsequent detection by He MIP have been performed (48).…”

Section: Detection Of Nonmetals By Other Aes Techniquesmentioning

confidence: 99%

Direct detection of optical radiation through a sampling orifice for inductively coupled plasma atomic emission spectroscopy

LaFreniere

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Mode of Sançle Elements Wavelength Detection Comments Ref. P I 213.62 6 ng mL~^ Table I. (Continued) Mode of Sample Elements Wavelength Detection Comments Ref. 21 pg s 1 2.7 pg s J-3.3 pg s 1 6.5 pg s 1 5.3 pg s ^ New laminar flow, atmospheric (46) pressure He-MIP; polychromator; partial empirical formulae of pyrethroids and dioxins. Atmospheric pressure He-MIP; (47) packed and capillary GC used. Table I. (Continued) Mode of Saitple Elements Wavelength Detection Comments Ref. 20 pg Hg I 253.6 0.5 pg

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Low-power microwave plasma source for chromatography detection

Cited by 23 publications

References 13 publications

Hazardous gas treatment using atmospheric pressure microwave discharges

Hazardous gas treatment using atmospheric pressure microwave discharges

Determination of trace elements by chromatographic methods employing atomic plasma emission spectroscopic detection

Direct detection of optical radiation through a sampling orifice for inductively coupled plasma atomic emission spectroscopy

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