THERMOCHEMICAL EFFECTS IN HEXAFLUOROETHANE (FREON-116) MODIFIED ARGON INDUCTIVELY COUPLED PLASMAS

被引:15
作者
EBDON, L
GOODALL, P
机构
[1] Plymouth Analytical Chemistry Research Unit, Department of Environmental Sciences, University of Plymouth, Plymouth, PL4 8AA, Drake Circus
关键词
D O I
10.1016/0584-8547(92)80116-X
中图分类号
O433 [光谱学];
学科分类号
0703 ; 070302 ;
摘要
Hexafluoroethane (Freon 116), added to the argon nebulizer gas, has been investigated as a potential volatilization aid for refractory materials in slurry nebulization inductively coupled plasma atomic emission spectrometry (ICP-AES). The introduction of Freon 116 resulted in apparently unusual plasma spectrochemistry, which yielded non-linear calibration curves. These were attributed to classical mass action buffering involving highly stable metal fluoride species. This dictated against the use of Freon 116 as a volatilization aid in slurry nebulization ICP-AES.
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页码:1247 / 1257
页数:11
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