Development of a novel low-flow ion source/sampling cone geometry for inductively coupled plasma mass spectrometry and application in hyphenated techniques
Development of a novel low-flow ion source/sampling cone geometry for inductively coupled plasma mass spectrometry and application in hyphenated techniques
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开发用于电感耦合等离子体质谱的新型低流量离子源/采样锥几何结构及其在联用技术中的应用
DOI:
10.1016/j.sab.2012.06.053
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发表时间:
2012
期刊:
影响因子:
--
通讯作者:
Buscher
中科院分区:
文献类型:
--
作者:
Pfeifer;Janzen;Steingrobe;Sperling;Franze;Engelhard;Buscher
A novel ion source/sampling cone device for inductively coupled plasma mass spectrometry (ICP-MS) especially operated in the hyphenated mode as a detection system coupled with different separation modules is presented. Its technical setup is described in detail. Its main feature is the very low total argon consumption of less than 1.5Lmin−1, leading to significant reduction of operational costs especially when time-consuming speciation analysis is performed. The figures of merit of the new system with respect to sensitivity, detection power, long-term stability and working range were explored. Despite the profound differences of argon consumption of the new system in comparison to the conventional ICP-MS system, many of the characteristic features of the conventional ICP-MS could be maintained to a great extent. To demonstrate the ion source's capabilities, it was used as an element-selective detector for gas (GC) and high performance liquid chromatography (HPLC) where organic compounds of mercury and cobalt, respectively, were separated and detected with the new low-flow ICP-MS detection system. The corresponding chromatograms are shown. The applicability for trace element analysis has been validated with the certified reference material NIST 1643e.
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DOI:
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发表时间:
1991
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1994
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1979
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1985
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1996
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