Determination of trace metals by microwave plasma spectrometry with an atmospheric pressure helium discharge

1978 ◽  
Vol 50 (9) ◽  
pp. 1257-1260 ◽  
Author(s):  
Andrew T. Zander ◽  
Gary M. Hieftje
Keyword(s):  
Trace Metals ◽  
Atmospheric Pressure ◽  
Microwave Plasma ◽  
Plasma Spectrometry ◽  
Helium Discharge

scholarly journals Determination of Helium-Discharge Atmospheric-Pressure Plasma Parameters and Distribution Using Numerical Simulation

2021 ◽  
Vol 16 (0) ◽  
pp. 2401060-2401060
Author(s):  
Kladphet THANET ◽  
Wannakuwaththawaduge T. L. S. FERNANDO ◽  
Kazumasa TAKAHASHI ◽  
Takashi KIKUCHI ◽  
Toru SASAKI
Keyword(s):  
Numerical Simulation ◽  
Atmospheric Pressure ◽  
Atmospheric Pressure Plasma ◽  
Plasma Parameters ◽  
Pressure Plasma ◽  
Helium Discharge

Determination of the Gas Temperature of an Argon Microwave Plasma at Atmospheric Pressure Using van der Waals Broadening

2007 ◽  
Author(s):  
Cristina Yubero ◽  
Milan S. Dimitrijević ◽  
Maria Carmen Garcia ◽  
Maria Dolores Calzada ◽  
Luka Č. Popović ◽  
...  
Keyword(s):  
Atmospheric Pressure ◽  
Microwave Plasma ◽  
Van Der Waals ◽  
Gas Temperature

Determination of the Excitation Temperature in a Nonthermodynamic-Equilibrium High-Pressure Helium Microwave Plasma Torch

1997 ◽  
Vol 51 (6) ◽  
pp. 778-784 ◽  
Author(s):  
M. C. Quintero ◽  
A. Rodero ◽  
M. C. García ◽  
A. Sola
Keyword(s):  
Atmospheric Pressure ◽  
Plasma Torch ◽  
Microwave Plasma ◽  
Absolute Intensity ◽  
Atomic State ◽  
Excitation Temperature ◽  
State Distribution ◽  
Boltzmann Plot ◽  
Intensity Measurements

This paper analyzes the influence of the departure from thermodynamic equilibrium on three spectroscopic methods for determining the excitation temperature: the classical Boltzmann plot method, the method of absolute intensity measurements, and the method of the ratio of atomic to ionic lines for one element. Use of these methods is illustrated with experiments conducted in a helium microwave plasma in nonthermodynamic equilibrium produced by an axial injection torch at atmospheric pressure. The excitation temperature was determined at a variable microwave power and different positions along the flame. The results are discussed in terms of the atomic-state distribution function (ASDF) calculated for the plasma.

Sign in / Sign up

Export Citation Format

Share Document