Determination of subnanogram per cubic meter concentrations of metals in the air of a trace metal clean room by impaction graphite furnace atomic absorption and laser excited atomic fluorescence spectrometry

1990 ◽  
Vol 62 (14) ◽  
pp. 1452-1457 ◽  
Author(s):  
Zhongwen. Liang ◽  
Guor Tzo. Wei ◽  
Richard L. Irwin ◽  
Andrew P. Walton ◽  
Robert G. Michel ◽  
...  
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