FAST-CLEARING SPRAY CHAMBER FOR ICP-AES

被引:8
作者
LEGERE, G [1 ]
SALIN, ED [1 ]
机构
[1] MCGILL UNIV,DEPT CHEM,MONTREAL H3A 2K6,QUEBEC,CANADA
关键词
ICP-AES; NEBULIZER; RAPID-CLEARING SPRAY CHAMBER DESIGN; SAMPLE INTRODUCTION; SPRAY CHAMBER;
D O I
10.1366/000370294774369036
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
The rapid-clearing spray chamber design utilizes two critical features for a rapid-clearing system-a nebulizer wash and a high-volume gas flush. The combination of these two features with supporting design features provides a system which can clear out a signal of Fe or Zn from 500 ppm to undetectable levels (below 10 ppb) in about 20 s. A tubular injector is used in the ICP torch to minimize plasma disturbance during the gas flush cycle. Several modifications to the spray chamber were necessary to handle the nebulizer wash efficiently.
引用
收藏
页码:761 / 765
页数:5
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