The role of demixing effect in analyte emission enhancement by easily ionized elements in d.c. plasma

Spectrochimica Acta - Part B Atomic Spectroscopy

Volumn 55, Issue 8, 2000, Pages 1373-1384

  Pavlović, Mirjana S ^a   Kuzmanović, Miroslav M ^b   Pavelkić, Vesna M ^a   Marinković, Momir ^b  

^a Vin ca Institute   (Yugoslavia)

^b UNIVERSITY OF BELGRADE   (Serbia)

Author keywords

d.c. Plasma; Demixing effect; EIE effect; Emission spectrochemical analysis; Radial electric field

Indexed keywords

ELECTRIC FIELD EFFECTS; IONIZATION; MATHEMATICAL MODELS; PLASMA APPLICATIONS;

DEMIXING EFFECTS; INDUCTIVELY COUPLED PLASMAS (ICP);

EMISSION SPECTROSCOPY;

EID: 0034245715     PISSN: 05848547     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0584-8547(00)00242-1     Document Type: Article

References (17)

1. P. Lenard, Über den elektrischen bogen und die spektren der metalle, Ann. Phys. 11 (1903) 636-650.
2. W. Frie, Entmischungseffekte bei gemischen ionisierender atomgase, Z. Phys. 172 (1963) 99-117.
3. H. Schirrmeister, Über den partnereffekt, den leicht ionisierbare elemente in atomspektroskopischen lichtquellen verursachen-II, Spectrochim. Acta Part B 24 (1969) 1-12.
4. A.B. Murphy, Demixing in free-burning arcs, Phys. Rev. A (Part B) 55 (1997) 7473-7494.
5. M.H. Miller, Excitation of analytes and enhancement of emission intensities in a d.c. plasma jet: a critical review leading to proposed mechanistic models, Spectrochim. Acta Part B 39 (1984) 13-56.
6. S.R. Kortyohann, J.S. Jones, C.P. Jester, D.A. Yates, Use of spatial emission profiles and a nomenclature system as aids in interpreting matrix effects in the low-power argon inductively coupled plasma, Spectrochim. Acta Part B 36 (1981) 49-59.
7. M. Wu, G.M. Hieftje, The effect of easily ionized elements on analyte emission efficiency in inductively coupled plasma spectrometry, Spectrochim. Acta Part B 40 (1994) 149-161.
8. M.S. Pavlovic, N.Z. Pavlovic, M. Marinkovic, Excitation and ionization characteristics of a d.c. aron plasma evaluated by means of emission and absorption of iron lines, and broadening of the hydrogen H? line-experimental facts, Spectrochim. Acta Part B 46 (1991) 1487-1498.
9. M.S. Pavlovic, M. Marinkovic, Demixing effect induced by the radial electric field in the cylindrically shaped d.c. plasma. Modeling and experimental investigation, Spectrochim. Acta Part B 53 (1998) 81-94.
10. G. Malovic, M. Tripkovic, I. Holclajtner-Antunovic, Optical emission diagnostics of an U-shaped argon stabilized d.c. arc, Contrib. Plasma Phys. 34 (6) (1994) 773-785.
11. M.M. Kuzmanovic, M.S. Pavlovic, M. Marinkovic, Emission spectrometric analysis of fresh waters with U-shaped d.c. arc with aerosol supply, Spectrosc. Letters 29 (2) (1996) 205-215.
12. I.J. Raaijmakers, P.W.J.M. Boumans, B. Van Der Sijde, D.C. Schram, A theoretical study and experimental investigation of non-LTE phenomena in an inductively coupled argon plasma-I. Characterization of the discharge, Spectrochim. Acta Part B 38 (1983) 697-706.
13. L. de Galan, R. Smith, J.D. Winefordner, The electronic partition functions of atoms and ions between 1500 K and 7000 K, Spectrochim. Acta Part B 23 (1968) 521-525.
14. S. Tamaki, T. Kuroda, The electronic partition function of atoms and ions between 7000 and 12000 K, Spectrochim. Acta Part B 42 (1987) 1105-1111.
15. B.L. Caughlin, M.W. Blades, Spatial profiles of electron number density in the inductively coupled plasma, Spectrochim. Acta Part B 40 (1985) 987-993.
16. M. Huang, S.A. Lehn, E.J. Andrews, G.M. Hieftje, Comparison of electron concentrations, electron temperatures, gas kinetic temperatures, and excitation temperatures in argon ICPs operated at 27 and 40 MHz, Spectrochim. Acta Part B 52 (1997) 173-1193.
17. A.T. Zander, M.H. Miller, Electron density spatial profiles of the DCP source, Spectrochim. Acta Part B 40 (1985) 1023-1037.