Analyte ionization in a furnace atomization plasma emission source

1998 ◽  
Vol 13 (4) ◽  
pp. 229-233 ◽  
Author(s):  
R. E. Sturgeon ◽  
R. Guevremont
Keyword(s):  
Emission Source ◽  
Plasma Emission ◽  
Furnace Atomization ◽  
Analyte Ionization

A Spatial Study of the Influence of Plasma Length on Interference Effects in a Six-Electrode, Direct-Current, Variable-Length Plasma

1988 ◽  
Vol 42 (4) ◽  
pp. 693-698 ◽  
Author(s):  
James P. Shields ◽  
Edward H. Piepmeier
Keyword(s):  
Direct Current ◽  
Variable Length ◽  
Emission Source ◽  
Plasma Emission ◽  
Careful Selection ◽  
Interference Effects ◽  
Simple Effect ◽  
Direct Current Plasma ◽  
Interference Mechanism ◽  
Selection Of

Vertical spatial profiles of a six-electrode, direct-current plasma emission source were used to study the influence of plasma length on the interference of Na on Ca and Zn and P on Ca. For the shortest plasma (11.5 mm), depression of the Ca atom line is observed in the region up to 10 mm above the tip of the sample bullet when Na is present. A cross-over to enhancement occurs for higher regions. This is directly opposite to the observations in the ICP for the Na interference on Ca. Increasing the plasma length causes downward shifts in the cross-over point which are not a simple effect of the lowering of the sample bullet. When P is present, the Ca atom emission is initially depressed in the region directly above the sample bullet. At higher observation heights, little effect is observed. Similar behavior is observed for the Ca ion line in the presence of P, suggesting the possibility of a classical vaporization-type interference mechanism. The interference effects studied here can be virtually eliminated by careful selection of plasma length and observation height.

Figures of merit for two-step furnace atomization plasma emission spectrometry

1993 ◽  
Vol 8 (1) ◽  
pp. 41 ◽  
Author(s):  
K. E. Anders Ohlsson ◽  
Ralph E. Sturgeon ◽  
Scott N. Willie ◽  
Van T. Luong
Keyword(s):  
Emission Spectrometry ◽  
Plasma Emission ◽  
Figures Of Merit ◽  
Plasma Emission Spectrometry ◽  
Furnace Atomization

Vapor generation coupled with furnace atomization plasma emission spectrometry for detection of mercury

2009 ◽  
Vol 24 (5) ◽  
pp. 689 ◽  
Author(s):  
Anderson S. Ribeiro ◽  
Mariana A. Vieira ◽  
Patricia Grinberg ◽  
Ralph E. Sturgeon
Keyword(s):  
Emission Spectrometry ◽  
Plasma Emission ◽  
Vapor Generation ◽  
Plasma Emission Spectrometry ◽  
Furnace Atomization
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